Marine trophic index for the Chatham Rise (1992–2014)

MfE / Environmental Reporting
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Creative Commons Attribution 3.0 New Zealand

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28 Sep 2015

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

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Title
Marine trophic index for the Chatham Rise (1992–2014)
Publisher
New Zealand's Environment Reporting Series: The Ministry for the Environment and Statistics New Zealand
Description
The marine trophic index (MTI) measures the changing abundance and diversity of demersal fish species (living and feeding on or near the seabed) in fishery catches. The Chatham Rise has more than 180 species of fish. It is one of the most productive areas of our exclusive economic zone (EEZ) and an important fishing ground. We calculate the Chatham Rise MTI to assess the change in marine ecosystems resulting from fishing and climate variability.
This dataset relates to the "Marine trophic index: Chatham Rise" measure on the Environmental Indicators, Te taiao Aotearoa website.
Source
National Institute of Water and Atmospheric Research; Ministry for Primary Industries.
Rights
Creative Commons Attribution 3.0 New Zealand
Rights
Attribution 3.0 New Zealand
Rights
http://creativecommons.org/licenses/by/3.0/nz/
Coverage
1992–2014; Chatham Rise
Identifier
https://data.mfe.govt.nz/table/52519-marine-trophic-index-for-the-chatham-rise-19922014/
Type
Dataset
Language
eng-nz
Subject
food chain