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Mapping cumulative impacts on Hong Kong's pink dolphin population

Title:

Mapping cumulative impacts on Hong Kong's pink dolphin population

Marcotte, Danielle, Hung, Samuel and Caquard, Sébastien ORCID: https://orcid.org/0000-0003-4654-5244 (2015) Mapping cumulative impacts on Hong Kong's pink dolphin population. Ocean & Coastal Management, 109 . pp. 51-63.

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

Indo-Pacific humpback dolphins have historically inhabited the northern waters off Lantau Island, Hong Kong; however their numbers have significantly decreased over the past decade, while human pressure has simultaneously increased. Based on a spatio-temporal analysis using a Geographic Information System (GIS), this study aims to assess the cumulative human impacts of local activities on this dolphin population since 1996. After introducing and discussing the multiple approaches, difficulties, and limitations to cumulative effects assessments (CEA), this paper outlines our proposed CEA methodology. Our methodology involves mapping and analysis of anthropogenic marine impacts in relation with historical dolphin distributions in the area. Local scale results show evidence of a relationship between the addition of new high-speed ferry (HSF) routes into the cumulative environment and the decrease in dolphins in a specific region known as the Brothers Islands. These results coincide with past research showing that whales and dolphins are significantly disrupted in the presence of high vessel traffic, which continues to grow in the northern waters off Lantau Island, Hong Kong and in many other places around the world.

Divisions:Concordia University > Faculty of Arts and Science > Geography, Planning and Environment
Item Type:Article
Refereed:Yes
Authors:Marcotte, Danielle and Hung, Samuel and Caquard, Sébastien
Journal or Publication:Ocean & Coastal Management
Date:2015
Digital Object Identifier (DOI):10.1016/j.ocecoaman.2015.02.002
ID Code:980901
Deposited By: Sebastien Caquard
Deposited On:02 Mar 2016 20:12
Last Modified:18 Jan 2018 17:52
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