Heavy metals in coastal and estuarine sediment 2009 and 2012–2018

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Creative Commons Attribution 4.0 International

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5569
14
Added
16 Apr 2019

This dataset was first added to MfE Data Service on 16 Apr 2019.

This indicator measures the concentrations of four heavy metals (lead, copper, zinc and cadmium) against the Australian & New Zealand Environment and Conservation Council (ANZECC) guideline values for toxic substances in estuarine sediment.

Heavy metals occur naturally in estuaries, but high concentrations suggest contamination from another source. The metals can be transported along waterways from urban environments (and, for cadmium, from farmland) and accumulate in estuarine and coastal sediments. Heavy metals are toxic although some such as copper and zinc are classed as micro-nutrients at very low concentrations. They accumulate in sediment, where they can be taken up by organisms, and are harmful to species and habitats. They also bio-accumulate (are found in higher concentrations in species further up the food chain).

More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.

Table ID 99880
Data type Table
Row count 4852
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Coastal water quality trends twelve_years REVISED

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Creative Commons Attribution 4.0 International

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552
12
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

78

Coastal and estuarine water quality trends (concentration versus time) over a twelve year time period

Document ID21956
File namecoastal-water-quality-trends-twelve_years-revised.pdf
TypePDF
Size4.09 MB

Coastal water quality trends ten_years REVISED

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Creative Commons Attribution 4.0 International

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505
10
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

85

Coastal and estuarine water quality trends (concentration versus time) over a twelve year time period

Document ID21955
File namecoastal-water-quality-trends-ten_years-revised.pdf
TypePDF
Size3.91 MB

Coastal and estuarine water quality trends 2006–2017 and 2008–2017 data quality

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525
21
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

3
Document ID21954
File namecoastal-and-estuarine-water-quality-trends-20062017-and-20082017-data-quality.pdf
TypePDF
Size372 KB

Heavy metals in coastal and estuarine sediment 2009 and 2012–2018 data quality

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Creative Commons Attribution 4.0 International

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585
27
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

2
Document ID21951
File nameheavy-metals-in-coastal-and-estuarine-sediment-2009-and-20122018-data-quality.pdf
TypePDF
Size482 KB

Coastal and estuarine water quality state 1973–2018 raw data

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Creative Commons Attribution 4.0 International

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564
52
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

Document ID21941
File namecoastal-and-estuarine-water-quality-state-19732018-raw-data.csv
TypeCSV
Size138 MB

Coastal and estuarine water quality state 1973–2018 data quality

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Creative Commons Attribution 4.0 International

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627
34
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

2
Document ID21940
File namecoastal-and-estuarine-water-quality-state-19732018-data-quality.pdf
TypePDF
Size367 KB

Coastal and estuarine water quality state, raw data

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Creative Commons Attribution 4.0 International

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503
8
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

Document ID21939
File namecoastal-and-estuarine-water-quality-state-raw-data.csv
TypeCSV
Size138 MB

Coastal and estuarine water quality state data quality

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Creative Commons Attribution 4.0 International

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525
0
Added
16 Apr 2019

This item was first added to MfE Data Service on 16 Apr 2019

2
Document ID21938
File namecoastal-and-estuarine-water-quality-state-data-quality.pdf
TypePDF
Size367 KB

BOMEC_15_Class_region

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Creative Commons Attribution 3.0 New Zealand

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20656
71
Updated
03 Jul 2018

This dataset was last updated on MfE Data Service on 03 Jul 2018.

The 15 class Benthic-Optimised Marine Environment Classification (BOMEC). The BOMEC divides the benthic environment into ecosystem types. These are grouped into three inshore groups, three continental shelf groups, and nine deeper-water groups. Each group represents areas with similar environmental variables, such as depth, temperature, salinity, and suspended sediment. The classification system considers the distributions of eight benthic taxonomic groups: asteroids, bryozoans, benthic foraminiferans, octocorals, polychaetes, matrix-forming scleratinian corals, sponges, and benthic fish.

Layer ID 52748
Data type Vector multipolygon
Feature count 15
Services Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed
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