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Status Assessment of Laysan and Black-Footed Albatrosses, North Pacific Ocean, 1923-2005 - Usgs Scientific Investigations Report 2009-5131 (Paperback) Loot Price: R1,516
Discovery Miles 15 160
Status Assessment of Laysan and Black-Footed Albatrosses, North Pacific Ocean, 1923-2005 - Usgs Scientific Investigations...

Status Assessment of Laysan and Black-Footed Albatrosses, North Pacific Ocean, 1923-2005 - Usgs Scientific Investigations Report 2009-5131 (Paperback)

Sung-Hoon Yoon, Javier A. Arata

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Loot Price R1,516 Discovery Miles 15 160 | Repayment Terms: R141 pm x 12*

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Over the past century, Laysan (Phoebastria immutabilis) and black-footed (Phoebastria nigripes) albatrosses have been subjected to high rates of mortality and disturbance at the breeding colonies and at sea. Populations were greatly reduced and many colonies were extirpated around the turn of the 20th century as a result of feather hunting. Populations were recovering when military occupation of several breeding islands during World War II led to new population declines at these islands and additional colony extirpations. At sea, thousands of Laysan and black-footed albatrosses were killed each year in high-seas driftnet fisheries, especially from 1978 until the fisheries were banned in 1992. Through the 1990s, there was a growing awareness of the large numbers of albatrosses that were being killed in longline fisheries. During the 1990s, other anthropogenic factors, such as predation by non-native mammals and exposure to contaminants, also were documented to reduce productivity or increase mortality.

General

Imprint: Bibliogov
Country of origin: United States
Release date: September 2011
First published: September 2011
Authors: Sung-Hoon Yoon • Javier A. Arata
Dimensions: 246 x 189 x 5mm (L x W x T)
Format: Paperback - Trade
Pages: 280
ISBN-13: 978-1-243-54227-4
Categories: Books > Arts & Architecture > Architecture
Books > Social sciences > Politics & government
Books > Arts & Architecture > Architecture > General
Books > Social sciences > Politics & government > General
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LSN: 1-243-54227-6
Barcode: 9781243542274

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