globalchange  > 气候变化与战略
DOI: 10.1016/j.gloenvcha.2019.102030
论文题名:
Accelerating savanna degradation threatens the Maasai Mara socio-ecological system
作者: Li W.; Buitenwerf R.; Munk M.; Amoke I.; Bøcher P.K.; Svenning J.-C.
刊名: Global Environmental Change
ISSN: 9593780
出版年: 2020
卷: 60
语种: 英语
中文关键词: Africa ; Ecosystem degradation ; Social-ecological systems ; Sustainability
英文关键词: conservation management ; environmental degradation ; grassland ; livestock ; protected area ; satellite imagery ; savanna ; sustainability ; woodland ; Kenya ; Masai Mara ; Narok
英文摘要: Savanna megafauna have become scarce outside of protected areas in Africa, largely because of land conversion for farming (smallholders and agribusiness) and expansion of settlements and other infrastructure. Intensification also isolates protected areas, even affecting natural processes within reserve boundaries. Here, we used satellite imagery from the past 32 years in the iconic Maasai Mara ecosystem to assess the capacity of different land tenures to prevent degradation. We compare unprotected land with two types of conservation management: fully protected land without livestock (land sparing) and semi-protected community-based conservation – protected land with regulated livestock densities (land sharing). On unprotected land (61% of the area), we detected massive and accelerating degradation and fragmentation of natural vegetation, with large losses of woodland (62%) and grassland (56%), resulting in the expansion of bare ground. In contrast, directional change was minimal in both types of protected areas. Vegetation resistance to drought was lowest on unprotected land, intermediate under community-based conservation and highest under full protection. Our results show that the Mara ecosystem is under heavy pressure, but that conservation management counteracts negative trends. Importantly, semi-protected community-based land-sharing conservation offers clear, partial buffering against degradation. © 2019 Elsevier Ltd
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/168195
Appears in Collections:气候变化与战略

Files in This Item:

There are no files associated with this item.


作者单位: Section for Ecoinformatics and Biodiversity, Department of Bioscience, Aarhus University, Ny Munkegade 114, Aarhus C, 8000, Denmark; Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Aarhus University, Ny Munkegade 114, Aarhus C, 8000, Denmark; The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, 100101, China; Kenya Wildlife Trust, P.O. Box 86-005200, Nairobi, Karen, Kenya; Maasai Mara Wildlife Conservancies Association, P O Box 984, Narok, 20500, Kenya

Recommended Citation:
Li W.,Buitenwerf R.,Munk M.,et al. Accelerating savanna degradation threatens the Maasai Mara socio-ecological system[J]. Global Environmental Change,2020-01-01,60
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Li W.]'s Articles
[Buitenwerf R.]'s Articles
[Munk M.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Li W.]'s Articles
[Buitenwerf R.]'s Articles
[Munk M.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Li W.]‘s Articles
[Buitenwerf R.]‘s Articles
[Munk M.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.