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NZ sea lion CSP reports

Introduction

Read all Conservation Services Programme reports on the NZ sea lion.

Identification of marine mammals captured in NZ fisheries 2022/23

This the final annual report for INT2020-02 Identification of marine mammals captured in New Zealand fisheries between 1 July 2022 - 30 June 2023). Published September 2024.

NZ sea lion monitoring at the Auckland Islands 2023/24

This is the final report for POP2023-05 Auckland Islands New Zealand sea lions. Published July 2024.

Sightings of marine mammals in New Zealand waters by government fisheries observers

This is the final report for INT2022-06 The distribution and abundance of marine mammals observed around commercial fishing vessels in New Zealand waters. Published April 2024.

Identification of marine mammals captured in NZ fisheries 2021/22

This the annual report for INT2020-02 Identification of marine mammals captured in New Zealand fisheries in 2021/22 (1 July 2021 - 30 June 2022). Published September 2023.

NZ sea lion monitoring at the Auckland Islands 2022/23

This is the final report for POP2022-09 Auckland Islands New Zealand sea lions. Published July 2023.

NZ sea lion pup count at the Auckland Islands 2021/22

This is the final report for POP2018-03 New Zealand sea lion: Auckland Islands pup count. Published September 2022.

NZ sea lion monitoring at the Auckland Islands 2019/20

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland Islands. This is the final report for the 2019/20 year. Published 2020.

NZ sea lion monitoring at the Auckland Islands 2018/19

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2018/19 year. Published 2019.

NZ sea lion monitoring at the Auckland Islands 2017/18

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2017/18 year. Published May 2018.

NZ sea lion monitoring at the Auckland Islands 2016/17

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2016/17 year. Published May 2017.

NZ sea lion monitoring at the Auckland Islands 2015/16

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2015/16 year. Published June 2016.

NZ sea lion monitoring at the Auckland Islands 2014/15

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2014/15 year. Published July 2015.

Demographic assessment of population decline in NZ sea lions at the Auckland Islands

A demographic and correlative assessment was conducted in 2014 of female New Zealand sea lions, aimed at identifying the causes of population change of New Zealand sea lion populations at the Auckland Islands. Published October 2014.

NZ sea lion monitoring at the Auckland Islands 2013/14

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2013/14 year. Published October 2014/

NZ sea lion monitoring at the Auckland Islands 2012/13

These reports describe the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2012/13 year. Published July 2013.

NZ sea lion monitoring at the Auckland Islands 2011/12

These reports describe the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. These are the final reports for the 2011/12 year. Published November 2012.

Review of indirect effects of fishing on New Zealand sea lions

Read about a review of evidence for indirect effects of commercial fishing on New Zealand sea lions breeding at the Auckland Islands. This project was commissioned as part of the Conservation Services Programme project POP2010-01 (Objectives 4 and 5). Published May 2012.

Estimation of demographic parameters for NZ sea lions breeding on the Auckland Islands, 1997/98–2010/11

Read the draft final research report estimating the demographic parameters of New Zealand sea lions in the Auckland Islands from 1997/98 to 2010/11. Published December 2011.

NZ sea lion monitoring at the Auckland Islands 2010/11

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2010/11 year. Published November 2011.

Assessing the demographic parameters and at sea distribution of NZ sea lions, Auckland Islands 2007/08-2009/10

Read the final research report assessing the demographic parameters and at sea distribution of New Zealand sea lions in the Auckland Islands. Published 2010.

Estimation of demographic parameters for NZ sea lions breeding on the Auckland Islands, 1997/98–2009/10

Read an update on the estimation of demographic parameters for New Zealand sea lions breeding on the Auckland Islands from data collected up to the 2009/10 field season. Published 2011.

NZ sea lion monitoring at the Auckland Islands 2009/10

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2009/10 year. Published 2010.

Estimation of demographic parameters for NZ sea lions breeding on the Auckland Islands – 1997/98–2008/09

This report provides an update on the estimation of demographic parameters for New Zealand sea lions breeding on the Auckland Islands from data collected up to the 2008/09 field season. Published 2010.

NZ sea lion monitoring at the Auckland Islands 2008/09

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2008/09 year.Published 2009,

Estimation of demographic parameters for NZ sea lions breeding on the Auckland Islands, 1998-2008

POP 2007/01 Objective 3 final report from data collected up to the 2007/8 field season. Published 2009.

NZ sea lion pupping rate

This is the final report for POP2016-01: Analysis from sea lion database to estimate pupping rate and associated parameters. Published 2009.

NZ sea lion monitoring at the Auckland Islands 2007/08

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2007/08 year. Published 2008.

Squid trawl fleet sea lion escape device audit

The objective of this project was to review devices aiming to mitigate interactions between the New Zealand sea lion and the southern squid trawl fishery. Published 2007.

NZ sea lion monitoring at the Auckland Islands 2006/07

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. This is the final report for the 2006/07 year. Published 2007.

NZ sea lion monitoring at the Auckland Islands 2005/06

This report describes the results of ongoing population monitoring of New Zealand sea lions at the Auckland islands. Published 2006.

Exploring management procedures for controlling bycatch of NZ sea lions in the SQU 6T fishery

This study looks at the sea lion population at the Auckland Islands and evaluates the likely effects of different alternative bycatch control rules. Published 2004.

Modelling the effects of bycatch on the NZ sea lion population

This report describes modelling work undertaken by NIWA, on behalf of DOC, to address the effect of bycatch of sea lions in the squid trawl fishery. Published 2005.

Risk assessment critique of Population Management Plan for NZ sea lion (pre notification consultation document January 2006)

Review the final report on the risk assessment critique of the Population Management Plan for the New Zealand sea lion. Published 2006.

Distribution, abundance and growth of NZ sea lion pups on Campbell Island

View a report by the Royal Society of New Zealand that investigates the distribution and abundance of New Zealand sea lion pups at Campbell Island. Published 2003.