Shark catch utilisation (2005–12)

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Creative Commons Attribution 3.0 New Zealand

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537
4
Added
28 Sep 2015

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

New Zealand waters have at least 113 species of chondrichthyans (sharks, rays, and other cartilaginous fish species). They are particularly vulnerable to overfishing because they are long-lived, mature slowly, and have a low reproductive rate. Chondrichthyans are important for healthy ocean ecosystems, and reporting their commercial catch and bycatch helps us understand the sustainability of our fisheries.
This dataset relates to the "Commercial catch: sharks and rays" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52516
Data type Table
Row count 32
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Sea Level Rise and Continuous GPS

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Creative Commons Attribution 3.0 New Zealand

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423
83
Added
13 Oct 2015

This item was first added to MfE Data Service on 13 Oct 2015

9
Document ID11653
File namesea-level-rise-and-continuous-gps.pdf
TypePDF
Size849 KB

Mean chlorophyll-a concentrations and anomalies (1997–2016)

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Creative Commons Attribution 3.0 New Zealand

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491
13
Added
25 Oct 2016

This dataset was first added to MfE Data Service on 25 Oct 2016.

Measured oceanic chlorophyll-a (chl-a) concentrations as an indicator of marine primary productivity. Phytoplankton are primary producers of biomass (mass of living organisms) and form the main basis of marine food chains. They use the chl-a pigment to capture the sun’s energy through the process of photosynthesis. Phytoplankton growth is affected by the availability of nutrients and light, which in turn are affected by the structure of the surface water column. The surface water column structure is affected by oceanographic and climate processes; large-scale changes to climate and oceanographic conditions can lead to changes in phytoplankton growth and chl-a concentrations.

Table ID 53509
Data type Table
Row count 2220
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Inglis and Seaward 2016 Indicators of non indigenous species in marine systems

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Creative Commons Attribution 3.0

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449
32
Added
19 Oct 2016

This item was first added to MfE Data Service on 19 Oct 2016

74
Document ID12667
File nameinglis-and-seaward-2016-indicators-of-non-indigenous-species-in-marine-systems.pdf
TypePDF
Size1.54 MB

Landings from stocks meeting or exceeding performance thresholds (2009–14)

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Creative Commons Attribution 3.0 New Zealand

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456
2
Added
28 Sep 2015

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

Our fish stocks are affected by commercial, customary, and recreational fishing, and environmental pressures (eg ocean temperature, acidity, and productivity). The Ministry for Primary Industries uses three performance measures to assess influences on fish stocks: a soft limit (below which a rebuilding plan is required), a hard limit (below which closing a fishery should be considered), and an overfishing threshold (where the rate of extraction is higher than the rate of replenishment).
This dataset relates to the "State of fish stocks" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52514
Data type Table
Row count 51
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Most common habitat type in coastal waters (2011)

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Creative Commons Attribution 3.0 New Zealand

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416
20
Added
28 Sep 2015

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

New Zealand has a diverse coastline, which spans 15,000 km. Reporting on our coastal seabed (benthic) habitats provides important contextual information on the state of the marine domain.
This dataset relates to the "Coastal habitats" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52517
Data type Table
Row count 23
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Gorman 2016 Extreme wave indices for New Zealand coastal and oceanic waters

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Creative Commons Attribution 3.0

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388
19
Added
23 Oct 2016

This item was first added to MfE Data Service on 23 Oct 2016

87
Document ID12722
File namegorman-2016-extreme-wave-indices-for-new-zealand-coastal-and-oceanic-waters.pdf
TypePDF
Size1.98 MB

Estimated annual seabird captures in trawl and longline fisheries by fishery type (2003–13)

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Creative Commons Attribution 3.0 New Zealand

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389
4
Added
28 Sep 2015

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

Along with sea lions, fur seals, and dolphins, seabirds are the protected species most directly affected by fisheries in New Zealand waters. Estimating seabird deaths from bycatch is one way of assessing the pressure some seabird species face from current fishing practices.
This dataset relates to the "Bycatch of protected species: seabirds" measure on the Environmental Indicators, Te taiao Aotearoa website.

Table ID 52503
Data type Table
Row count 33
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Ocean storms (1979–2015)

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Creative Commons Attribution 3.0 New Zealand

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380
9
Added
14 Oct 2016

This dataset was first added to MfE Data Service on 14 Oct 2016.

The ocean storm index estimates the number of days in a year when wind speeds exceed gale and storm force on the Beaufort Scale. In a gale, sea conditions are rough and waves can be over six metres high. In a storm, waves can be over 10 metres high. To put this into context, on land a near gale would make walking difficult, and a storm would cause some damage to roofs, chimneys, and trees. Climate change could lead to changes in the frequency and intensity of storms. More frequent and intense storms will likely be a stressor for habitats and species.
The ocean storm index estimates the number of days that wind speeds exceed gale and storm force on the Beaufort Scale. The Beaufort Scale is a widely used international classification that rates sea conditions from 0 (calm) to 12 (hurricane). We report on estimated wind speeds broken down to:
- gales – measure 8 on the scale, have rough sea conditions with wind speeds of approximately 62–74 km per hour and wave heights of 5.5 metres
- storms – measure 10 on the scale, have wind speeds of approximately 89–102 km per hour and wave heights of 9–11.5 metres (McDonald & Parsons, 2016)

Table ID 53465
Data type Table
Row count 74
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

McDonald, A & Parsons, S (2016). Ocean storm index. Prepared for the Ministry of the Environment. Christchurch: Department of Physics and Astronomy, University of Canterbury.

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Creative Commons Attribution 3.0

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362
10
Added
19 Oct 2016

This item was first added to MfE Data Service on 19 Oct 2016

27
Document ID12660
File namemcdonald-a-parsons-s-2016-ocean-storm-index-prepared-for-the-ministry-of-the-environment-christchurch-department-of-physics-and-astronomy-university-of-canterbury.pdf
TypePDF
Size6.68 MB
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