Abundance and Diurnal Time Activity Budget of the Threatened Species White-Headed Ducks (Anatidae: Oxyura leucocephala) in an Unprotected Area, Boussedra Marsh, Northeast Algeria-Reference-Cited by-同舟云学术

Abundance and Diurnal Time Activity Budget of the Threatened Species White-Headed Ducks (Anatidae: Oxyura leucocephala) in an Unprotected Area, Boussedra Marsh, Northeast Algeria

Published:2021-12-01 Issue:4 Volume:40 Page:384-391
ISSN:1337-947X
Container-title:Ekológia (Bratislava)
language:en
Short-container-title:

Author:

Amine Hennouni Mohamed¹,Rabah Zebsa²,Zinette Bensakhri²³,Abdeldjalil Youcefi²⁴,Mouslim Bara²,Sadek Atoussi²,Mohammed Djekoune²,Menouar Saheb¹,Moussa Houhamdi²

Affiliation:

1. Laboratoire d’Écologie Fonctionnelle et Environnement , Département des Sciences de la Nature et de la Vie, Faculté des Sciences Exactes, des Sciences de la Nature et de la Vie , Université Larbi Ben M’hidi , Oum El-Bouaghi , Algeria

2. Laboratoire Biologie, Eau et Environnement (LBEE) , Faculté SNV-STU, University 8 Mai 1945 Guelma . BP. 401 24000 Guelma , Algeria

3. Département des Sciences de la Nature et de la Vie, Institut des Sciences et de la Technologie , Université Abdelhafid Boussouf , Mila , Algeria

4. Biology Department , Laboratory of Sciences and Environment , Tamanghasset University Center , Tamanrasset , Algeria

Abstract

Abstract The white-headed duck is a globally threatened species and its populations have become fragmented and undergone major decline in recent decades. Changes including long-term abundance (five times from 2005 to 2018) and diurnal activity budget (2010−2011 and 2017−2018) with respect to the effect of habitat features at Boussedra marsh (unprotected area) were compiled in order to fill some gaps in the status and trend of North African populations. The population size of the white-headed duck decreased over years from 2010 to 2018 by about 52.81%, and was positively associated with interior vegetation area, but not significantly with water surface area. Trends of population dynamics differed among seasons, and the number was higher in wintering than breeding season. Sleeping (44.93%, 23.74%) and feeding (59.09%, 27.43%) were the dominant diurnal activities at both the years of study, respectively. Boussedra marsh plays an important ecological role as a diurnal forging habitat and reproduction site for this threatened species and as a shelter for other waterfowl.

Publisher

Walter de Gruyter GmbH

Subject

Ecology

Link

https://www.sciendo.com/pdf/10.2478/eko-2021-0040

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