Weeds metadata policy drafthrcc.nsw.gov.au/.../2015/02/draft-weeds-metadata-policy.pdfWeeds Metadata...

NSW BIOSECURITY

Weeds Metadata Policy - Draft

Property inspections, high risk pathways and aerial

surveillance

Published by the NSW Department of Primary Industries

Weeds Metadata Policy

First published April 2014

More information

…………………

www.dpi.nsw.gov.au

Acknowledgments

NSW DPI would like to acknowledge that the original publication was produced by the North Coast Weeds Advisory

Committee.

Cover image: Rebecca Miller, NSW DPI (Tropical soda apple)

[Insert Reference number]

© State of New South Wales through the Department of Trade and Investment, Regional Infrastructure and Services, 2014. You may copy, distribute

and otherwise freely deal with this publication for any purpose, provided that you attribute the NSW Department of Primary Industries as the owner.

Disclaimer: The information contained in this publication is based on knowledge and understanding at the time of writing (April 2014). However,

because of advances in knowledge, users are reminded of the need to ensure that information upon which they rely is up to date and to check currency

of the information with the appropriate officer of the Department of Primary Industries or the user’s independent adviser.

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Contents

Contents .................................................................................................................................... 1

1. Introduction ........................................................................................................................... 3

1.1 Metadata ...................................................................................................................... 3

1.2 Purpose ....................................................................................................................... 3

2. Projects .................................................................................................................................. 4

2.1 Property inspection ...................................................................................................... 4

2.1.1 Property inspections lifecycle ........................................................................................ 4

2.1.2 Property inspections lifecycle flowchart ........................................................................ 5

2.2 High risk pathways ....................................................................................................... 5

2.2 High risk pathways ....................................................................................................... 6

2.3 Relationships that may exist between property inspections, high risk pathways and high risk sites ............................................................................................................ 6

3. Capture of spatial and attribute data ................................................................................... 7

3.1 Summarised layer list ................................................................................................... 7

4. Spatial data standards .......................................................................................................... 8

4.1 Spatial Accuracy .......................................................................................................... 8

4.2 Coordinate system ....................................................................................................... 8

4.3 Spatial capture methods .............................................................................................. 8

4.3.1 Standard point inspection .............................................................................................. 8

4.3.2 Standard polyline survey or treatment .......................................................................... 8

4.3.3 Standard polygon survey .............................................................................................. 9

4.3.4 Inaccessible survey ....................................................................................................... 9

4.4 Purpose and capture of spatial layers ........................................................................ 10

4.4.1 Property inspection tables ........................................................................................... 10

4.4.1.1 Inspection ................................................................................................................. 10

4.4.1.2 Reinspection ............................................................................................................ 10

4.4.2 High risk pathways tables ........................................................................................... 10

4.4.2.1 Inspection polyline .................................................................................................... 10

4.4.3 Aerial Surveillance ...................................................................................................... 10

4.4.3.1 Surveillance ....................................................................................................... 10

4.4.3.2 Weedspot .......................................................................................................... 10

4.4.3.3 WeedLine .......................................................................................................... 10

4.4.3.4 WeedPolygon .................................................................................................... 10

4.4.4 General tables ............................................................................................................. 11

4.4.4.1 Infestation .......................................................................................................... 11

4.4.4.2 Treatment .......................................................................................................... 14

4.4.4.3 Photopoint ......................................................................................................... 14

5. Attribute data standards ..................................................................................................... 15

5.1 Attribute table definitions ............................................................................................ 15

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6. Operational Workflow ......................................................................................................... 16

6.1 Operational relationships between Property Inspections, High Risk Pathways and High Risk Sites ....................................................................................................... 16

6.2 Property inspections ................................................................................................... 17

6.3 Property inspections – emergency or project specific ................................................. 17

6.3 Property inspections – emergency or project specific ................................................. 18

6.4 High risk pathways ..................................................................................................... 19

6.5 Aerial surveillance ...................................................................................................... 20

7. Table structures .................................................................................................................. 21

7.1 Property inspections ................................................................................................... 21

7.1.1 Table structure – property Inspections, inspection ..................................................... 21

7.1.2 Table structure – property inspections, reinspection .................................................. 24

7.2 High risk pathways ..................................................................................................... 26

7.2.1 Table structure – high risk pathways, inspection – polyline ........................................ 26

7.3 Aerial surveillance ...................................................................................................... 27

7.3.1 Table structure – aerial surveillance, surveillance ...................................................... 27

7.3.2 Table structure – aerial surveillance, weedspot .......................................................... 28

7.3.3 Table structure – aerial surveillance, WeedLine ......................................................... 29

7.3.4 Table structure – aerial surveillance, WeedPolygon ................................................... 31

7.4 General tables ............................................................................................................ 33

7.4.1 Table structure, Infestation .......................................................................................... 33

7.4.2 Table structure, treatment ........................................................................................... 35

7.4.3 Table structure, Photopoint ......................................................................................... 38

8. Field definitions .................................................................................................................. 39

8.1 Control class definitions ............................................................................................. 39

8.1.1 Control Class definitions table..................................................................................... 39

8.2 Site categories ........................................................................................................... 40

8.2.1 High risk sites .............................................................................................................. 40

8.2.2 Priority sites ................................................................................................................. 40

8.2.3 Other priority sites ....................................................................................................... 40

8.3 High risk weeds .......................................................................................................... 41

8.4 High priority weeds..................................................................................................... 41

8.5 BRS density classes .................................................................................................. 42

8.6 Infestation status ........................................................................................................ 42

8.6.1 Active ........................................................................................................................... 42

8.6.2 Inactive ........................................................................................................................ 42

8.6.3 Eradicated ................................................................................................................... 42

8.7 Plant name table ........................................................................................................ 43

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1. Introduction

Local Control Authorities take a proactive approach towards managing the threat of

invasive plants by targeting high risk species and the pathways through which they enter

the region. This approach is complemented by work being undertaken by numerous

other stakeholders within the regions. All stakeholders undertake a variety of weed

management activities across different land tenures for a host of noxious and

environmental weeds. The range of management activities can take the form of

detection, control or capacity building programs.

A key outcome of the second Weeds Action Program will be the development of a

standardised mapping program for the state, know as the Biosecurity Information

System (BIS). This standardised program will provide a catalyst for improved reporting,

issue visualisation and resource utilisation.

This metadata policy has been designed to directly benefit the BIS and Weeds Action

Program by providing a structured guideline for the submission of digital spatial and

attribute data. The key benefits of this policy are to provide stakeholders with an open

and accountable organisation to external bodies (e.g. WAP)

Flexibility to suit broad range of stakeholders and users involved in weed

management

Providing a clear and concise standard for stakeholders to ensure

standardisation and effectiveness of data collated

Data submitted using this policy will be used to facilitate standardised reports. These

reports will ensure each stakeholder has access to coordinated mapping information for

weed management undertaken in the regions and across the state.

1.1 Metadata

Metadata or "data about data" describes the content, quality, condition, and other

characteristics of data. Metadata is used to organise and maintain investments in

data.

1.2 Purpose

The purpose of the Metadata policy is to facilitate the submission of consistent,

standardised weeds spatial and attributes data for all stakeholders.

The following policy has been developed to:

Define the minimum data requirements for NSW reporting standards

Provide a consistent data structure across the organisation

Align data captured with the metadata policy

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2. Projects

2.1 Property inspection

An inspection of land and/or water by an authorised officer to assess the presence

or absence of noxious weeds to determine what action, if any is required to control

such weeds. Land can be defined as privately owned or occupied, leased land,

Council roads and reserves or Crown Land (NP, State Forest, Vacant etc).

It is a function of Local Control Authorities set under section 36 of Noxious Weeds

Act (s.36(E) – inspection of land within the local area in connection with its noxious

weed control functions) as well as section 44 – inspect the "premises" includes any

land, structure, building, aircraft, vehicle, vessel and place (whether built on or

not), and any part of it.

2.1.1 Property inspections lifecycle

The following flowchart is to be used as a guide only to depict the normal

processes associated with the property inspections lifecycle. This process

may vary from stakeholder to stakeholder however; a standard inspection

and reinspection process will always be required.

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2.1.2 Property inspections lifecycle flowchart

Management Plan

Initial Inspection

No further

action

Reinspection

Section 18a Issued

Weeds Present

No weeds sighted

Section 18 issued

Reinspection

Show Cause Letter issued

Section 20 Issued

Reinspection

Weeds Present

No weeds sighted

Weeds Present

No weeds sighted

Weeds Present

No weeds sighted

Section 20 Entry

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2.2 High risk pathways

High risk pathways are defined as those spatial pathways able to convey large

numbers of weed propagules and/or have high potential for ease of transport.

2.3 Relationships that may exist between property inspections, high risk pathways and high risk sites

During general inspection activities a number of cross category inspections may take

place simultaneously. If a property is being inspected that has a high risk pathway

running through or parallel with it, the length of high risk pathway that is running

through or parallel to the property being inspected will also be inspected by default and

should be captured as a high risk pathway inspection also. If a property being

inspected contains one or multiple high priority species, all adjoining properties that

are inspected are categorised as high risk sites and should also be captured as such

(See diagram below).

Diagram 2.3.1 Relationship model

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3. Capture of spatial and attribute data

Data captured must be compliant with both the with the minimum spatial and attribute

data standards listed in: 4. Spatial data standards and 5. Attribute data standards.

Submission of data must be in MapInfo.TAB format.

3.1 Summarised layer list

Below is a list of all data layers detailed throughout this document. For detail on each

layer refer to: 4. spatial data standards and 5. Attribute data standards.

Property Inspections

- Inspection

- Reinspection

- Treatment

High Risk Pathways

- Inspection

- Treatment

Aerial Surveillance

- Surveillance

- Weedspot

- Weedline

- WeedPolygon

General tables

- Infestations

- Photopoint

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4. Spatial data standards

4.1 Spatial Accuracy

Spatial accuracy will vary depending on the method used to capture the spatial

entity. It is presumed the majority of data being captured will be via GPS however,

if this is to change it is to be noted in the capture comments field. Variations in

spatial accuracy are allowable as long as the method of capture is documented.

4.2 Coordinate system

The standard requires that spatial pest attribute data is recorded in the Geocentric

Datum of Australia 1994 (GDA94) coordinate system.

4.3 Spatial capture methods

4.3.1 Standard point inspection

All property and project specific inspections, reinspections are to be

mapped exclusively as points to define property location. Data captured in

polyline or polygon geometry will not be accepted.

A high risk pathway may be inspected or treated as a polyline, refer 4.3.2

Standard Polyline Survey or Treatment for spatial data capture methods.

4.3.2 Standard polyline survey or treatment

The capture of a polyline is to be performed by either walking or driving

the length of an infestation. It should be noted a high risk pathway will be

recorded as a polyline for each direction of traffic flow.

In the case of a Road or aquatic survey, a Polyline will be required for each

side of the survey. For example diagram 4.3.2.1 & diagram 4.3.2.2 depict

a typical 2 kilometre survey.

Diagram 4.3.2.1 Standard Road survey

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Diagram 4.3.2.2 Standard Aquatic survey

4.3.3 Standard polygon survey

The capture of a polygon is to be performed by either walking or driving

the perimeter of an infestation. If it is not possible to walk or drive the

extent of the survey area, either imagery or photography may be used to

trace the area of an infestation.

The purpose to polygon data is to not only maintain consistency of

geometry but provide the information required for complex queries post

capture.

4.3.4 Inaccessible survey

If the infestation is inaccessible the operator may:

Map the infestation as a polygon using aerial imagery to confirm

the perimeter of the infestation

Map the entire land parcel as infested ensuring the

area_infested_ha is completed along with either the estimated

number of individuals or density is completed. This should also be

marked as property level in the capture comments field.

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4.4 Purpose and capture of spatial layers

4.4.1 Property inspection tables

4.4.1.1 Inspection

The purpose of the inspection table is to record the land parcel

inspected using point geometry. When capturing a point for a

property inspection, the point must be captured within the bounds

of the land parcels, preferably as near as possible to the centre of

the land parcel.

All Inspection data is to be captured in point geometry.

4.4.1.2 Reinspection

The purpose of the reinspection table is to record the land parcel

inspected using point geometry. When capturing a point for a property

inspection, the point must be captured within the bounds of the land

parcels, preferably as near as possible to the centre of the land parcel.

All Inspection data is to be captured in point geometry.

4.4.2 High risk pathways tables

4.4.2.1 Inspection polyline

The purpose of the inspection table is to record the spatial extent of

an inspection.

All inspection data is to be submitted in Polyline geometry.

4.4.3 Aerial Surveillance

4.4.3.1 Surveillance

The purpose of the Surveillance table is to record the spatial extent

of an inspection.

All Surveillance data is to be sub in Polyline geometry.

4.4.3.2 Weedspot

The purpose of the Weedspot table is to record the spatial location of a

suspected infestation from aerial surveillance. All weedspots will are

required to be ground-truthed via a property inspection.

All Weedspot data is to be captured as point geometry.

4.4.3.3 WeedLine

The purpose of the Weedline table is to record the spatial location

of a suspected infestation from aerial surveillance along a high risk

pathway.

All Weedline data is to be captured as polyline geometry.

4.4.3.4 WeedPolygon

The purpose of the WeedPolygon table is to record the spatial

extent of a suspected infestation from aerial surveillance.

All WeedPolygon data is to be captured as polygon geometry.

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4.4.4 General tables 4.4.4.1 Infestation

The infestation table is to be used to map any infestation as well as the

details of an infestation. An infestation must be mapped as a polygon.

The purpose of mapping in this way is to be able to define and report

infestation change over time

It is important to note a weed infestation can never be reduced in area

or removed unless it is deemed as eradicated in the status field. Until

this occurs, a reduction of initial infestation area must be shown as a

reduced density rather than a new polygon. However, an infestation

area can increase over time and a new polygon can be mapped to

include the new incursions causing the increase.

Diagram 4.4.4.1.1 Infestation mapping on land parcels

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If an infestation is distributed across a land parcel boundary, it must be

mapped to each land parcel.

Diagram 4.4.4.1.2 Infestations across land parcels

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There may be circumstances where more than one weed species is mapped within a defined polygon area. In the first diagram there exists 2 polygons each containing a different weed species. The second diagram depicts 2 duplicate overlapping polygons however each polygon also contains a different weed species.

Diagram 4.4.4.1.3 multiple species within a single Infestations

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4.4.4.2 Treatment

The purpose of the Treatment table is to record the treatment

applied an infestation. The treatment is to be mapped as a polygon

to show the area of the treatment.

A single treatment can be applied to an individual infestation or a

group of infestations.

Diagram 4.4.4.2.1 Applying a treatment

The area of treatment is to be captured inherently from the infestations

treated.

Many treatments can be applied over time to an infestation; each

treatment is to be recorded as a new Polygon.

4.4.4.3 Photopoint

A photo of an inspection, reinspection or treatment can be taken at

any time.

Photopoint’s are to be captured as point geometry.

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5. Attribute data standards

5.1 Attribute table definitions

Each table contains these columns:

a) Type: refers to the format of each attribute:

i) Chr = Character, The number following a Chr refers to the

character length. For example, Chr25 indicates a

character value of 25 spaces.

ii) Integer = Whole number

iii) Decimal = A number with a fixed-point decimal form, the whole

number will be 4 with a decimal of 2 e.g. 6543.21

iv) Date = date value, expressed as dd-mm- yyyy

b) Mandatory: Refers to the level of importance of each attribute for the

purpose of sharing the information with other parties. There are 2

classification levels:

i) Yes: Attributes that are fundamental to describing an entity in sufficient

detail to make it useful and useable for pest management purposes. If

data is to be shared amongst organisations it must contain the “Required”

attributes.

ii) No: Attributes that are more likely to be useful to individual organisations,

rather than the broader pest management community.

c) Acceptable Values

Defined entries for a field. Any value not listed will not be accepted.

d) Definition

A short explanation of a field’s content.

e) Conditions

A short explanation of any conditions associated with the fields’ value.

P a g e | 16

6. Operational Workflow

6.1 Operational relationships between Property Inspections, High Risk Pathways and High Risk Sites

When capturing a property inspection, be it routine or otherwise, an inspector may

find a high risk pathway within the property. If this is the case the inspector should

map the infestation as part of the property inspection.

When reporting on this data, the infestation will be inherently linked to the

property inspection however, it will also be linked spatially to the high risk

pathway.

Diagram 6.1.1 Operational Relationship model

6.2 Property inspections

This diagram illustrates the relationship between a property inspection, reinspection, infestation and treatment. These

activities are all associated with the inspected land parcel.

Infestations may increase in size during reinspection

Many Infestations

New Infestations

Inspection

Reinspection

Many treatments

Property

Many treatments

6.3 Property inspections – emergency or project specific

In an emergency response or project specific situation the property inspection activity may need to be tracked to allow the

identification of surveillance gaps or to provide evidence that a particular property attached to a set buffer zone or project

area has been inspected.

Many Infestations

New Infestations

Inspection

Reinspection

Many treatments

Property

Infestations may increase in size during reinspection Many treatments


Pathway inspections are continuously tracked with infestations and treatments captured simultaneously.

Many treatments per infestation

Many infestations along inspection pathway

Inspection

6.5 Aerial surveillance

Aerial surveillance is continuously tracked and many weedspots, weedlines or weed polygons can be captured along this

tracked depending on operational imperatives governing the activity.

Aerial Surveillance

Weedspot

Weedline

Weedpolygon

7. Table structures 7.1 Property inspections

7.1.1 Table structure – property Inspections, inspection

Field Type Mandatory Acceptable Values Definition Conditions

Inspection_ID Chr(50) Yes LCA _INSP01 Unique Sequential ID

Date Date Yes Date of Capture

Time_of_record Chr(50) Yes Time of capture

LGA Chr(50)

Inspection_Type Chr(50) Yes Routine

Project specific

Emergency

Project Chr(50) No Name of Project Only available if project

specific is chosen as

inspection type

Capture_Comments Chr(50) Yes GPS

Drawn from Photography

Drawn from imagery

Method of capture

Officer Chr(150) Yes Full Name of officer

Site_Category Chr(25) Yes High Risk

Priority

Other

Refer Table 6.2 Site

Categories

Weeds_Sighted Chr(3) Yes Yes

No Visual assessment of weeds

sighted on property

If No, job controlled and

no further detail

required


Owner_plan_for_control Not discussed

Develop a management plan

Use herbicide to treat weeds

Manual removal

Hire a contractor

Spray and cultivate

Slash and burn

Release biological control

Spray with pre-emergent herbicide

Method_of_inspection Four wheel drive Vehicle

On foot and vehicle

On foot

ATV

Boat

Kayak

Helicopter

Tracked vehicle

Location_of_noxious_weeds Along internal fence line

Scattered patches over property

Near gate

Along boundary fence

In dam

On dam embankments

Isolated patches over property

On creek bank

In riparian zone

In a wetland or swamp

In wet gully

Near stock yards

Adjacent to tracks or roadway

Throughout Forest plantation

Adjacent to cropping paddocks

Control_measures_undertaken No control works evident

Chemical application applied

Manually removed

Sprayed and residue burnt

Cut stump with herbicide

Biological control agents released

Cut stump without herbicide

Cultivated


Slashed

Controlled burn

N/A

Pre-emergent herbicide used

Effectiveness_of_control Control work not completed

Control work not effective

N/A

Control method worked

Need a second application of Herbicide

Biological control effective

Control work disrupted due to weather

7.1.2 Table structure – property inspections, reinspection


Inspection_ID Chr(50) Yes LCA_INSP01 Initial Infestation ID

Reinspection_ID Chr(50) Yes LCA_REINSP01 reinspection ID



LGA Chr(50)


Project specific

Emergency



inspection type



Drawn from imagery

Method of capture


Site_Category Char(25) Yes High Risk

Priority

Other

Refer Table 6.2 Site

Categories

Weeds_Present Chr(3) Yes Yes

No Visual assessment

of weeds sighted on

property

If No, job controlled and

no further detail

required

Location_of_noxious_weeds Along internal fence line

Scattered patches over property

Near gate

Along boundary fence

In dam

On dam embankments


Isolated patches over property

On creek bank

In riparian zone

In a wetland or swamp

In wet gully

Near stock yards

Adjacent to tracks or roadway

Throughout Forest plantation

Adjacent to cropping paddocks

Control_measures_undertaken No control works evident

Chemical application applied

Manually removed

Sprayed and residue burnt

Cut stump with herbicide

Biological control agents released

Cut stump without herbicide

Cultivated

Slashed

Controlled burn

N/A

Pre-emergent herbicide used

Effectiveness_of_control Control work not completed

Control work not effective

N/A

Control method worked

Need a second application of Herbicide

Biological control effective

Control work disrupted due to weather


7.2.1 Table structure – high risk pathways, inspection – polyline


Inspection_ID Chr(50) Yes LCA_INSP01 Unique Sequential ID



LGA Chr(50)


Project specific

Emergency

Project Chr(50) No Name of Project Only available if project specific is

chosen as inspection type



Drawn from imagery

Method of capture


Site_Category Chr(25) Yes High Risk

Priority

Other

Refer Table 6.2 Site Categories

Weeds_Sighted Chr(3) Yes Yes

No Visual assessment of weeds sighted on property If No, job controlled and no further

detail required

Length_Inspection Decimal (7,2) Yes Length in Meters of infestation Auto populated from spatial object

Width_Inspection Int Yes Average width in Meters of

infestation

Manually entered by Data capture officer.

Area_infested_ha Decimal (7,2) Area in Hectares of infestation Length x width in hectares

7.3 Aerial surveillance

7.3.1 Table structure – aerial surveillance, surveillance


Surveillance _ID Chr(50) Yes LCA_SURV01 Unique Sequential ID



LGA Chr(50)


Project specific

Emergency



inspection type



Drawn from imagery

Property level

Method of capture

Officer Chr(150) Yes Full Name of FNCW officer

Length Decimal

(7,2)

Yes Length in Kilometers of inspection Auto populated from

spatial object

7.3.2 Table structure – aerial surveillance, weedspot



Weedspot_ID Chr(50) Yes LCA_WS01 Unique Sequential ID



LGA Chr(50)



Drawn from imagery

Method of capture


Control_Class Chr(25) Yes Class 1

Class 2

Class 3

Class 4

Class 5

Not classified

Refer 6.1.1 Control Class

definitions

Plantname Chr(100) Yes Refer 6.7. Plant name table

Confirmed Chr(25) Confirmed

Negative Completed when

ground truthed via a

property inspection.

7.3.3 Table structure – aerial surveillance, WeedLine



Weedline_ID Chr(50) Yes LCA_WLS01 Unique Sequential ID



LGA Chr(50)



Drawn from imagery

Method of capture



Class 2

Class 3

Class 4

Class 5

Not classified


definitions


Secondary_Control_Class Chr(25) Class 1

Class 2

Class 3

Class 4

Class 5

Not classified


definitions

Secondary_Plantname Chr(100) Refer 6.7. Plant name table

Minor_Control_Class Chr(25) Class 1

Class 2

Class 3


definitions


Class 4

Class 5

Not classified

Minor_Plantname Chr(100) Refer 6.7. Plant name table

Length Decimal

(7,2)

Yes Length in Kilometers of Weedline Auto populated from

spatial object

7.3.4 Table structure – aerial surveillance, WeedPolygon



WeedPolygon_ID Chr(50) Yes LCA_WP01 Unique Sequential ID



LGA Chr(50)



Drawn from imagery

Property level

Method of capture



Class 2

Class 3

Class 4

Class 5

Not classified


definitions


Secondary_Control_Class Chr(25) Yes Class 1

Class 2

Class 3

Class 4

Class 5

Not classified


definitions

Secondary_Plantname Chr(100) Yes Refer 6.7. Plant name table

Minor_Control_Class Chr(25) Yes Class 1

Class 2 Refer 6.1.1 Control Class


Class 3

Class 4

Class 5

Not classified

definitions

Minor_Plantname Chr(100) Yes Refer 6.7. Plant name table

Area_infested_ha Decimal

(7,2)

Area in Hectares of infestation Populated from spatial

polygon captured

7.4 General tables 7.4.1 Table structure, Infestation


Inspection_ID Chr(50) Yes LCA_INSP01 Relates to inspection ID

Reinspection_ID Chr(50) Yes LCA_REINSP01 Relates to Reinspection ID

Infestation_ID Chr(50) Yes LCA_INFS01 Unique Sequential ID



LGA Chr(50)



Drawn from imagery

Property level

Method of capture


Status Chr(50) Yes Active

Inactive

Eradicated

Refer 6.6 Infestation Status


Class 2

Class 3

Class 4

Class 5

Not classified


definitions


Area_infested_ha Decimal Area in Hectares of infestation Populated from spatial


(7,2) polygon captured

Estimated_individuals Chr(25) Nil

1

1-5

5-10

10-20

20-50

50-70

70-100

100-150

General Low Dom

Indeterminable

Density Chr(50) Yes Absent

Less than 1%

1% to 10%

11% to 50% etc

Refer 6.5. BRS Density

Classes table

Stage_of_Growth In full flower

Mature plant

Plant setting seed

Many plants at various stages of growth

At peak growth stage

Seedlings

Vigorous growth

Poor condition

Regrowth

regrowth from fragments

defoliated deciduous

7.4.2 Table structure, treatment


Treatment_ID Chr(50) Yes LCA_TREAT01

Infestation_ID Chr(50) Yes LCA_INFS01 Unique Sequential ID



LGA Chr(50)



Drawn from imagery

Property level

Method of capture


Treatment_complete Chr(100) Yes/No If No, job controlled and

no further detail required

Treat_date Date Date of treatment

Size_Before_Treat_ha Decimal

(7,2)

Taken from Infestation using Infestation_ID to

update


Treatment_Method Chr(50) None

6 Foliar Sprayed

1 Mechanical removal

2 Physical removal

3 Drilled or Stem injected

4 Cut and swabbed

5 Basal Barked

7 Boom Sprayed

8 Granule Application

1/2 and 6

1/2 and 8

3 and 4

3 and 5

3 and 6

4 and 5

4 and 6

5 and 6

6 and 7


Treatment_Chemical Chr(50) Access and Diesel

Baton and Water

Brushoff and Water

Brushoff, Weedmaster and Water

Brushoff, Wetter and Water

Casoron granules

Grazon + and Water

Grazon +, Brushoff and Water

Grazon +, Brushoff, Wetter and Water

Grazon +, Wetter and Water

Grazon +, Water and Dye

Hotshot and Water

Immerse and Kerosene

Starane and Diesel

Tordon and Water

Weedmaster and Water

Weedmaster, Water and Dye

Taskforce and Water

None

Weedmaster, Brushoff, Wetters, Water and Dye

Grazon, Brushoff, Wetters, Water and Dye

Starane and Water

Starane, Water, Wetters and Dye

Grazon, Water, Wetters & Dye

7.4.3 Table structure, Photopoint


Photo_ID Chr(50) Yes LCA_Photo_01



LGA Chr(50) Yes


Easting Decimal

(30,15)

Yes

Northing Decimal

(30,15)

Yes

Aspect Chr(50) North

South

East

West

Approximate aspect of

photo taken

8. Field definitions

8.1 Control class definitions

Some serious weeds are required by law to be controlled by all landholders in an area.

These are known as noxious weeds and the law that controls these in NSW is

the Noxious Weeds Act 1993. In New South Wales the administration of noxious weed

control is the responsibility of the Minister for Primary Industries under the Noxious

Weeds Act 1993. The Act is implemented and enforced by the Local Control Authority

(LCA) for the area, usually local government. In the case of the FNCW region,

the Noxious Weeds Act 1993 is enforced by Far North Coast County Council, Clarence

Valley Council, Coffs Harbour City Council, Bellingen Shire Council and Nambucca Shire

Council.

There are five classes of noxious weeds identified in the Act. All Noxious Weeds in NSW are listed in the Noxious Weeds Database at http://www.dpi.nsw.gov.au/agriculture/pests-weeds/weeds/noxweed

8.1.1 Control Class definitions table

Please note class definitions can change as declarations are governed

by State Government who also hold the most current definitions. The

following website administrated these definitions:

http://www.dpi.nsw.gov.au/agriculture/pests-weeds/weeds/profiles

Control

class

Weed type Example control requirements

Class 1 Plants that pose a potentially serious threat to

primary production or the environment and are

not present in the State or are present only to a

limited extent.

The plant must be eradicated from

the land and the land must be kept

free of the plant.

The weeds are also "notifiable" and

a range of restrictions on their sale

and movement exist.


primary production or the environment of a

region to which the order applies and are not

present in the region or are present only to a

limited extent.

The plant must be eradicated from

the land and the land must be kept

free of the plant.

The weeds are also "notifiable" and

a range of restrictions on their sale

and movement exist.


primary production or the environment of a

region to which the order applies, are not widely

distributed in the area and are likely to spread

in the area or to another area.

The plant must be fully and

continuously suppressed and

destroyed.*

http://www.dpi.nsw.gov.au/aboutus/about/legislation-acts/noxious-weeds




http://www.dpi.nsw.gov.au/agriculture/pests-weeds/weeds/noxweed

http://www.dpi.nsw.gov.au/agriculture/pests-weeds/weeds/noxweed

http://www.dpi.nsw.gov.au/agriculture/pests-weeds/weeds/profiles

40 NSW Department of Primary Industries, April 2014

Control

class

Weed type Example control requirements


primary production, the environment or human

health, are widely distributed in an area to

which the order applies and are likely to spread

in the area or to another area.

The growth of the plant must be

managed in a manner that reduces

its numbers spread and incidence

and continuously inhibits its

reproduction*

Class 5 Plants that are likely, by their sale or the sale of

their seeds or movement within the State or an

area of the State, to spread in the State or

outside the State.

There are no requirements to control

existing plants of Class 5 weeds.

However, the weeds are "notifiable"

and a range of restrictions on their

sale and movement exists.

Not

classified

These plants are yet to be classified under any

recognised state classification.

8.2 Site categories 8.2.1 High risk sites

The following High Risk Sites for weed incursion and spread are defined and

targeted:

- Aquarium shops - Nurseries - Markets - Public sale yards - Private cattle yards - Public dumps - Site near waterways – bridges, boat ramps - Properties with high priority weeds present - Neighbouring property where high priority species detected

8.2.2 Priority sites

The following priority sites for weed incursion and spread are defined and

targeted:

- Wetlands - Waterways with limited riparian cover - Waterways with high nutrient load - Highly degraded waterways

8.2.3 Other priority sites

The following priority sites for weed incursion and spread are defined and

targeted:

- Coastal areas - Areas of high conservation value - Ecologically endangered communities - High value agricultural lands


8.3 High risk weeds

Weeds with high potential to adapt to this region, but not yet present

8.4 High priority weeds

Weeds present in minimal numbers in the region and deemed high priority for control


8.5 BRS density classes

Terrestrial and Aquatic Weeds

Class number Class description

1. Absent

2. Less than 1%

3. 1%to 10%

4. 11% to 50%

5. Greater than 50%

6. Present (density unknown)

7. Not known (or uncertain)

8. Not assessed

Additional optional classes for aquatic weeds

Class number Class description

9. Scattered

10. 100% covered

8.6 Infestation status

8.6.1 Active An active infestation is where the plant is growing, spreading seed and or dispersing

viable plant materials.

8.6.2 Inactive Defined as: “No seedling germination or any viable plant material observed due to

environmental conditions or weed management practices”

8.6.3 Eradicated Defined as: “No seedling germination, live plants or any viable plant material

detected within polygon area for a period of _* years since the last date of

inspection where estimated individuals had a value of nil and density had a value of

absent.


8.7 Plant name table

Plant name Control Class

Aleman grass

Alligator weed

Arrowhead

Bitou bush

Boneseed

Broad-leaf pepper tree

Cabomba

Camphor laurel

Cecropia

Chinese celtis

Chinese tallow tree

Crofton weed

East Indian hygrophila

Eurasian water milfoil

Giant rats tail grass

Green cestrum

Groundsel bush

Honey locust

Horsetail

Hygrophila costata

Hymenachne

Kudzu

Kidney leaf mud plantain

Lantana

Miconia

Mysore thorn

Paper mulberry

Parthenium weed

Pond apple

Prickly pear

Sagittaria

Salvinia

2

2

4

4

2

3

5

4

Not classified

3

3

4

3

1

3

3

3

3

1

2

1

3

1

4

1

3

Not Classified

1

1

4

5

3


Senegal tea plant

Tropical soda apple

Water hyacinth

Water lettuce

Yellow bells

1

2

4

1

3

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