Study

Strandings of dolphins in the Adelaide Dolphin Sanctuary, South Australia

  • Published source details Adamczak S.K., Kemper C. & Tomo I. (2018) Strandings of dolphins in the Adelaide Dolphin Sanctuary, South Australia. Journal of Cetacean Research and Management, 19, 105-111.

Actions

This study is summarised as evidence for the following.

Action Category

Legally protect habitat for marine and freshwater mammals

Action Link
Marine and Freshwater Mammal Conservation
  1. Legally protect habitat for marine and freshwater mammals

    A before-and-after study in 1987–2012 in the Port River estuary, South Australia (Adamczak et al. 2018) found that after the area became legally protected a similar number of Indo-Pacific bottlenose dolphin Tursiops aduncus strandings were recorded compared to before protection, but the number of strandings caused by humans decreased. There was no significant difference in the average number of dolphin strandings recorded before (1.1 strandings/year) and after (2.3 strandings/year) the area became legally protected. However, the authors note that more data may be required over a longer time period to detect changes. The proportion of dolphin strandings caused by humans (intentional killing, boat collisions, entanglement in fishing gear) vs. non-human causes (disease, natural causes, live strandings) was lower after the area became legally protected (2 vs. 20 strandings respectively) than before (6 vs. 9 strandings). The area (118 km2) was adjacent to a major port and urban/industrial area and became a legally protected dolphin sanctuary in 2005. This involved higher fines for intentional harm, fishing restrictions (commercial and recreational), enforcement patrols and an education and awareness raising programme. Dolphin strandings (live and carcasses) were recorded before (1987–2004) and after (2005–2012) the area was legally protected.

Output references
What Works 2021 cover

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, mammals, forests, peatland and control of freshwater invasive species. More are in progress.

More about What Works in Conservation

Download free PDF or purchase
The Conservation Evidence Journal

The Conservation Evidence Journal

An online, free to publish in, open-access journal publishing results from research and projects that test the effectiveness of conservation actions.

Read the latest volume: Volume 18

Go to the CE Journal

Discover more on our blog

Our blog contains the latest news and updates from the Conservation Evidence team, the Conservation Evidence Journal, and our global partners in evidence-based conservation.


Who uses Conservation Evidence?

Meet some of the evidence champions

Endangered Landscape Programme Red List Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Bern wood Supporting Conservation Leaders National Biodiversity Network Sustainability Dashboard Frog Life The international journey of Conservation - Oryx British trust for ornithology Cool Farm Alliance UNEP AWFA Butterfly Conservation People trust for endangered species Vincet Wildlife Trust