The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island

The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island

Prey availability is often the driver behind predator population trends, diet and breeding success. Changes in predator abundance and breeding success represent numerical responses to changes in prey abundance, whereas dietary shifts can be classified as functional responses. Invasive mammals introd...

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Bibliographic Details
Main Author: Cerfonteyn, Mia Elizabeth
Other Authors: Ryan, Peter G
Format: Dissertation
Language:English
Published: University of Cape Town 2014
Online Access:http://hdl.handle.net/11427/6603
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spelling ndltd-netd.ac.za-oai-union.ndltd.org-uct-oai-localhost-11427-66032020-10-06T05:11:03Z The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island Cerfonteyn, Mia Elizabeth Ryan, Peter G Prey availability is often the driver behind predator population trends, diet and breeding success. Changes in predator abundance and breeding success represent numerical responses to changes in prey abundance, whereas dietary shifts can be classified as functional responses. Invasive mammals introduced to island ecosystems can have detrimental impacts on endemic bird populations and thus disrupt predator-prey relationships. In cases where a predator is dependent on a certain prey species, the distribution, abundance, breeding success and diet of a predator can reveal disruptions in their prey abundance and density. 2014-08-20T14:29:11Z 2014-08-20T14:29:11Z 2013 Master Thesis Masters MSc http://hdl.handle.net/11427/6603 eng application/pdf University of Cape Town Faculty of Science Percy FitzPatrick Institute of African Ornithology
collection NDLTD
language English
format Dissertation
sources NDLTD
description Prey availability is often the driver behind predator population trends, diet and breeding success. Changes in predator abundance and breeding success represent numerical responses to changes in prey abundance, whereas dietary shifts can be classified as functional responses. Invasive mammals introduced to island ecosystems can have detrimental impacts on endemic bird populations and thus disrupt predator-prey relationships. In cases where a predator is dependent on a certain prey species, the distribution, abundance, breeding success and diet of a predator can reveal disruptions in their prey abundance and density.
author2 Ryan, Peter G
author_facet Ryan, Peter G
Cerfonteyn, Mia Elizabeth
author Cerfonteyn, Mia Elizabeth
spellingShingle Cerfonteyn, Mia Elizabeth
The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island
author_sort Cerfonteyn, Mia Elizabeth
title The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island
title_short The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island
title_full The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island
title_fullStr The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island
title_full_unstemmed The population status, breeding success and diet of Subantarctic Skuas two decades after the feral cat eradication on Marion Island
title_sort population status, breeding success and diet of subantarctic skuas two decades after the feral cat eradication on marion island
publisher University of Cape Town
publishDate 2014
url http://hdl.handle.net/11427/6603
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AT cerfonteynmiaelizabeth populationstatusbreedingsuccessanddietofsubantarcticskuastwodecadesaftertheferalcateradicationonmarionisland
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