Land use - Land cover classes, 1996, 2001, 2008, and 2012

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Creative Commons Attribution 3.0 New Zealand

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9013
232
Added
28 Sep 2015

This dataset was first added to MfE Data Service on 28 Sep 2015.

Land use that results in a change from indigenous to exotic cover can cause biodiversity loss and reduce functioning of ecosystems. Using more land for agriculture, forestry, and urbanisation is the main driver reducing indigenous land cover across New Zealand.

Column headings:
area_ha = area of land cover measured in hectares

This dataset relates to the "Land use" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52469
Data type Table
Row count 272
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Modelled population responses of rats and stoats to mast-seeding events

Licence

Creative Commons Attribution 3.0 New Zealand

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4815
17
Added
28 Sep 2015

This dataset was first added to MfE Data Service on 28 Sep 2015.

Mast-seeding events occur when plant species (eg New Zealand flax or trees such as the beech species) produce very large amounts of seed, usually every 4–6 years. These events are vital for the survival of some indigenous bird species. Unfortunately, the increase in food supply also prompts a dramatic increase in the numbers of mice, rats, and stoats (a population irruption). In the years after mast-seeding events, rats and stoats target birds and other prey.

This dataset relates to the "Modelled rat and stoat population responses to mast seeding events" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52477
Data type Table
Row count 46
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Deer, goats, and possums are animal pests in New Zealand. These pests prefer to eat some tree species more than others. In the long term, the targeted species may become locally extinct and nationally much rarer than less palatable species. Resulting changes in forest composition may have profound effects on other plant and animal species. The pest impacts on a particular tree species may affect the available habitat for and food source of those other plants and animals.

This dataset relates to the "Pest impacts on indigenous trees" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52485
Data type Table
Row count 12
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Status of widespread indigenous trees - Difference between recruitment and mortality, for eight widespread indigenous tree species, 2002–07 and 2009–14

Licence

Creative Commons Attribution 3.0 New Zealand

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4860
7
Added
28 Sep 2015

This dataset was first added to MfE Data Service on 28 Sep 2015.

Eight indigenous tree species, spanning a range of ecological niches, were surveyed twice (between 2002 and 2014) as part of a vegetation monitoring programme. The data from these surveys can be used to assess changes in tree populations. Monitoring the status and trends of these widespread tree species helps us detect large-scale, long-term changes and problems for our forest ecosystems.

This dataset relates to the "Status of widespread indigenous trees" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52473
Data type Table
Row count 3
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Status of widespread indigenous trees - Widespread indigenous tree species, 2002–07 and 2009–14

Licence

Creative Commons Attribution 3.0 New Zealand

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5017
22
Added
28 Sep 2015

This dataset was first added to MfE Data Service on 28 Sep 2015.

Eight indigenous tree species, spanning a range of ecological niches, were surveyed twice (between 2002 and 2014) as part of a vegetation monitoring programme. The data from these surveys can be used to assess changes in tree populations. Monitoring the status and trends of these widespread tree species helps us detect large-scale, long-term changes and problems for our forest ecosystems. Surveys assess the average number of trees per hectare.

This dataset relates to the "Status of widespread indigenous trees" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52474
Data type Table
Row count 8
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Livestock numbers, 2002–14

Licence

Creative Commons Attribution 3.0 New Zealand

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5473
41
Added
28 Sep 2015

This dataset was first added to MfE Data Service on 28 Sep 2015.

Livestock numbers reflect changes in the number of farmed beef and dairy cattle, deer, and sheep across New Zealand. Livestock farming is a widespread land use in this country. It is important to monitor this use because it can affect the indigenous biodiversity, soil health, and water quality.

Column headings:
numbers = numbers of animals

This dataset relates to the "Livestock numbers" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52470
Data type Table
Row count 1110
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Sea lions and fur seals are the protected species most directly affected by fisheries in New Zealand waters, along with seabirds and dolphins. Estimating the bycatch of sea lions and fur seals indicates the pressures they face from current fishing practices.
The New Zealand sea lion Phocarctos hookeri is threatened with extinction and is classified as nationally critical. Its population is steadily falling at some breeding locations. Fisheries are one of the pressures on the species.
The Fisheries Act 1996 designates this species as protected and requires mitigation measures to reduce bycatch (Ministry for Primary Industries, 2014).This dataset relates to the "Bycatch of protected species: sea lion and fur seal" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52496
Data type Table
Row count 25
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Annual national electricity generation, total and hydrogeneration, 1974-2013

Licence

Creative Commons Attribution 3.0 New Zealand

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6949
23
Added
29 Sep 2015

This dataset was first added to MfE Data Service on 29 Sep 2015.

Hydroelectricity is a renewable source of electricity. It makes an important contribution to New Zealand’s energy supply and economy.

This dataset relates to the "Contribution of hydroelectricity to total electricity generation" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52542
Data type Table
Row count 80
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Stream bed sedimentation - observed cover at fish monitoring sites

Licence

Creative Commons Attribution 3.0 New Zealand

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5358
30
Added
29 Sep 2015

This dataset was first added to MfE Data Service on 29 Sep 2015.

Fine sediment is the collective term for inorganic particles smaller than 2mm that are deposited on the beds of rivers and streams. Urban development, agriculture, and plantation forestry around waterways can increase the amount of sediment entering river systems. Sediment can clog the spaces between pebbles used by aquatic insects and fish, and degrade food sources and sites used for egg laying. Excessive sedimentation can also affect the suitability of rivers and streams for recreation.

Stream bed sediment observations are visual estimates of the proportion of the river bed covered by fine sediment. This information was collected during fish surveys, and stored in the Freshwater Fish database managed by NIWA. Observed in-stream sediment values for 10,025 sites are provided, dating from 1990 to 2011 in order to represent contemporary cover. The exception to this date range is the Fiordland area where all available information (1970 to 2011) was used to fill a representation gap.

This dataset relates to the "Stream bed sedimentation" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52539
Data type Table
Row count 40928
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Natural river flow statistics, predicted for all river reaches

Licence

Creative Commons Attribution 3.0 New Zealand

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9317
278
Added
29 Sep 2015

This dataset was first added to MfE Data Service on 29 Sep 2015.

River flow is the quantity of water passing a point over a certain time. Each river or stream has its own natural flow characteristics, such as peak flows following rain or high spring flows from snow melt. Overall, this affects how much water is available for irrigation, drinking water, hydroelectricity generation, and recreational activities. River flows also influence a waterway’s physical form, habitat, and ecological processes like migration, spawning, and food supply for aquatic life.

This dataset relates to the "The geographic pattern of river flows" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52536
Data type Table
Row count 570579
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed
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