NDLI: Planning for the Maintenance of Floristic Diversity in the Face of Land Cover and Climate Change

Content Provider	Springer Nature Link
Author	Jewitt, Debbie Goodman, Peter S. Erasmus, Barend F. N. O’Conr, Timothy G. Witkowski, Ed T. F.
Copyright Year	2017
Abstract	Habitat loss and climate change are primary drivers of global biodiversity loss. Species will need to track changing environmental conditions through fragmented and transformed landscapes such as KwaZulu-Natal, South Africa. Landscape connectivity is an important tool for maintaining resilience to global change. We develop a coarse-grained connectivity map between protected areas to aid decision-making for implementing corridors to maintain floristic diversity in the face of global change. The spatial location of corridors was prioritised using a biological underpinning of floristic composition that incorporated high beta diversity regions, important plant areas, climate refugia, and aligned to major climatic gradients driving floristic pattern. We used Linkage Mapper to develop the connectivity network. The resistance layer was based on land-cover categories with natural areas discounted according to their contribution towards meeting the biological objectives. Three corridor maps were developed; a conservative option for meeting minimum corridor requirements, an optimal option for meeting a target amount of 50% of the landscape and an option including linkages in highly transformed areas. The importance of various protected areas and critical linkages in maintaining landscape connectivity are discussed, disconnected protected areas and pinch points identified where the loss of small areas could compromise landscape connectivity. This framework is suggested as a way to conserve floristic diversity into the future and is recommended as an approach for other global connectivity initiatives. A lack of implementation of corridors will lead to further habitat loss and fragmentation, resulting in further risk to plant diversity.
Starting Page	792
Ending Page	806
Page Count	15
File Format	PDF
ISSN	0364152X
Journal	Environmental Management
Volume Number	59
Issue Number	5
e-ISSN	14321009
Language	English
Publisher	Springer US
Publisher Date	2017-02-04
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Beta diversity Climate refugia Corridors Ecological processes Gradients Protected areas Environmental Management Ecology Nature Conservation Atmospheric Protection/Air Quality Control/Air Pollution Forestry Management Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Ecology Pollution Global and Planetary Change

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