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Land Sparing Can Maintain Bird Diversity in Northeastern Bangladesh

Institut de Recherche sur les Forêts, Université du Québec en Abitibi-Témiscamingue, Campus of Amos, 341 Rue Principale Nord, Amos, QC J9T 2L8, Canada
Restoration Ecology Research Group, Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences (SLU), Skogsmarksgränd, 907 36 Umeå, Sweden
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences (SLU), 75007 Uppsala, Sweden
Department of Forestry and Environmental Science, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh
Graduate Department of Forestry, University of Toronto, 33 Willcocks Street, Toronto, ON M5S 3B3, Canada
Author to whom correspondence should be addressed.
Sustainability 2020, 12(16), 6472;
Received: 19 June 2020 / Revised: 28 July 2020 / Accepted: 30 July 2020 / Published: 11 August 2020
(This article belongs to the Section Sustainability, Biodiversity and Conservation)
One of humanity’s most significant challenges in the process of attaining the established sustainability goals is balancing the growing human demand for food and the need to conserve biodiversity. This challenge requires appropriate land uses that are able to conserve biodiversity while ensuring ample food supply. This study compares bird species diversity and abundance in areas undergoing land sharing and land sparing in northeastern Bangladesh (West Bhanugach Reserved Forest). Birds serve as useful biologic indicators because of their presence within different trophic levels and their well-studied ecology. To survey birds, we selected a total of 66 sampling sites within land-sharing (33) and land-sparing (33) land-use areas. Between May and June 2017, we observed and recorded bird calls within a 50-m radius around each sampling site. We counted 541 individuals from 46 species of birds. The Shannon bird diversity was higher in the land-sparing sites (1.52) than in the land-sharing sites (1.23). We found approximately 30% more bird species (39 vs. 30) and 40% more individuals (318 vs. 223) in the land-sparing areas than land-sharing areas. Three bird species, Arachnothera longirostra, Micropternus brachyurus and Copsychus malabaricus, were significantly associated with the land-sparing sites. This study shows that land sharing negatively affects bird diversity, richness and abundance compared to land-sparing. The use of chemical fertilizers and the lack of food, such as insects, for birds can explain the lower diversity, richness and abundance of birds in the land-sharing areas. Although land sharing is an effective means of producing food, land sparing is the most effective land-use practice for preserving bird diversity in northeastern Bangladesh. View Full-Text
Keywords: agriculture; biodiversity; conservation; habitat loss; forestry; land sharing; land use; sustainability; wildlife agriculture; biodiversity; conservation; habitat loss; forestry; land sharing; land use; sustainability; wildlife
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MDPI and ACS Style

Hasan, A.; Girona, M.M.; Grosbois, G.; Saha, N.; Halim, M.A. Land Sparing Can Maintain Bird Diversity in Northeastern Bangladesh. Sustainability 2020, 12, 6472.

AMA Style

Hasan A, Girona MM, Grosbois G, Saha N, Halim MA. Land Sparing Can Maintain Bird Diversity in Northeastern Bangladesh. Sustainability. 2020; 12(16):6472.

Chicago/Turabian Style

Hasan, Akib, Miguel M. Girona, Guillaume Grosbois, Narayan Saha, and Md A. Halim. 2020. "Land Sparing Can Maintain Bird Diversity in Northeastern Bangladesh" Sustainability 12, no. 16: 6472.

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