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Browsing by Author "MacKay, CF"

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Country-wide assessment of estuary health: An approach for integrating pressures and ecosystem response in a data limited environment

Author: Van Niekerk, Lara ; Adams, JB ; Bate, GC ; Forbes, AT ; Forbes, NT ; Huizinga, P ; Lamberth, SJ ; MacKay, CF ; Petersen, C ; Taljaard, Susan ; Weerts, Steven P ; Whitfield, AK ; Wooldridge, TH Date: Sep 2013 Population and development pressures increase the need for proactive strategic management on a regional or country-wide scale - reactively protecting ecosystems on an estuary-by-estuary basis against multiple pressures is ‘resource hungry’ ... Read more
Disaggregation and assessment of estuarine pressures at the country-level to better inform management and resource protection – the South African experience

Author: Van Niekerk, Lara ; Taljaard, Susan ; Lamberth, SJ ; Adams, JB ; Weerts, Steven P ; MacKay, CF Date: May 2022 Globally, the ability of estuaries to sustain functionality and productivity is deteriorating rapidly under ever-increasing anthropogenic pressures. We present a systematic approach to identify, characterise and rank global pressures affecting ... Read more
An Estuary Ecosystem Classification that encompasses biogeography and a high diversity of types in support of protection and management

Author: Van Niekerk, Lara ; Adams, JB ; James, NC ; Lamberth, SJ ; MacKay, CF ; Turpie, JK ; Rajkaran, A ; Weerts, Steven P ; Whitfield, AK Date: Mar 2020 For nearly three decades, the Whitfield (1992) characterisation scheme served as a reference framework to type South African estuaries. We outline a revised ecosystem classification scheme that incorporates biogeographical zonation and ... Read more
High flow variability and storm events shape the ecology of the Mbhashe Estuary, South Africa

Author: James, NC ; Adams, JB ; Connell, AD ; Lamberth, SJ ; MacKay, CF ; Snow, GC ; Van Niekerk, Lara ; Whitfield, AK Date: Mar 2020 The possible impacts of extreme events on the ecology of selected aquatic biota within the Mbhashe Estuary were investigated during a four year (2010–2013) spring sampling programme. During periods of low to average flow conditions the estuary ... Read more
The potential for a fish ladder to mitigate against the loss of marine-estuarine-freshwater connectivity in a subtropical coastal lake

Author: Weerts, Steven P ; MacKay, CF ; Cyrus, DP Date: Jan 2014 Increasing water demand in coastal regions has resulted in the construction of weirs and barrages in coastal freshwaters. These form barriers to migrations of estuarine and euryhaline marine fishes and crustaceans. This study assessed the ... Read more

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Browsing by Author "MacKay, CF"

Browsing by Author "MacKay, CF"

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