Nitrate leaching from livestock time series 1990–2017 data quality

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90
28
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16 Apr 2019

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3
Document ID21936
File namenitrate-leaching-from-livestock-time-series-19902017-data-quality.pdf
TypePDF
Size732 KB

New Zealand’s greenhouse gas emissions by sector and gas 2016

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6
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16 Apr 2019

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

We measure gases that are added to the atmosphere through human activities. This does not include natural sources such as biological processes or volcanic emissions.

We report greenhouse gas (GHG) emissions in carbon dioxide equivalent (CO2-e) units, which is a measure for how much global warming a given type and amount of greenhouse gas causes, using the equivalent amount of carbon dioxide as the reference. CO2-e is used for describing different greenhouse gases in a common unit, which allows them to be reported consistently.

Data may not include the latest emissions data, which can be found on the Ministry for the Environment’s website.

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 99874
Data type Table
Row count 30
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Nitrate leaching data quality

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Creative Commons Attribution 4.0 International

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3
Document ID21935
File namenitrate-leaching-data-quality.pdf
TypePDF
Size732 KB

Lake water quality trends 2008–2017 1998–2017 and 1990–2017

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1071
9
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16 Apr 2019

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

This dataset contains ten lake water quality variables based on measurements made at monitored lake sites: chlorophyll-a, nitrate-nitrogen, total nitrogen, ammoniacal nitrogen, dissolved reactive phosphorus, total phosphorus, Escherichia coli, water clarity, and lake trophic level index (TLI3 and TLI4). This dataset includes: - Median values for the period 2013 to 2017 - For selected indicators, how these values compare to the National Objectives Framework (NOF) (MfE, 2017) bands related to ecosystem health When nitrogen and phosphorus accumulate above certain concentrations in lakes (referred to as ‘nutrient enrichment’), they can stimulate excessive growth of algae and cyanobacteria. Chlorophyll-a is a measure of the phytoplankton (algae) biomass. The lake trophic level index (TLI) indicates the health of a lake based on concentrations of three variables:
· total nitrogen
· total phosphorus
· chlorophyll-a.

Water clarity is a measure of underwater visibility. Lakes with poor clarity and TLI are poor habitats for some species of animals and plants, and they may not be suitable for recreation. Ammoniacal nitrogen can be toxic to aquatic life if concentrations are high enough.

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.

Summary report available at: www.mfe.govt.nz/publications/fresh-water/water-qua...

Table ID 99873
Data type Table
Row count 609
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Lake water quality trends data quality

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70
1
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16 Apr 2019

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3
Document ID21934
File namelake-water-quality-trends-data-quality.pdf
TypePDF
Size517 KB

Lake water quality 28 year trends raw data

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53
3
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16 Apr 2019

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Document ID21933
File namelake-water-quality-28-year-trends-raw-data.csv
TypeCSV
Size23.8 KB

Lake water quality 20 year trends raw data

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38
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16 Apr 2019

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Document ID21932
File namelake-water-quality-20-year-trends-raw-data.csv
TypeCSV
Size47.4 KB

Lake water quality 10 year trends raw data

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53
5
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16 Apr 2019

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Document ID21931
File namelake-water-quality-10-year-trends-raw-data.csv
TypeCSV
Size167 KB

Lake water quality 28 year trends, raw data

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40
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16 Apr 2019

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Document ID21930
File namelake-water-quality-28-year-trends-raw-data.csv
TypeCSV
Size23.8 KB

Lake water quality 20 year trends, raw data

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Creative Commons Attribution 4.0 International

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42
1
Added
16 Apr 2019

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

Document ID21929
File namelake-water-quality-20-year-trends-raw-data.csv
TypeCSV
Size47.4 KB
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