Article (Scientific journals)
Towards the use of ecological heterogeneity to design reserve networks: A case study from Dadia National Park, Greece
Kati, V.; Poirazidis, K.; Dufrêne, Marc et al.
2010In Biodiversity and Conservation, 19 (6), p. 1585-1597
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Keywords :
Biodiversity surrogates; Complementarity; Ecological heterogeneity; Ecological networks; Indicator; Landscape metrics; Mediterranean; Reserve design; Vegetation complexity; Vertical structure; Mediterranean environment; Dadia National Park; Eastern Macedonia and Thrace; Evros; Greece; Aves; Orchidaceae; Orthoptera; Passeriformes
Abstract :
[en] In this paper, we present a novel approach for using ecological heterogeneity in reserve design. We measured five ecological heterogeneity indices (EHI) and we used a database of six biological groups (woody plants, orchids, orthopterans, aquatic and terrestrial herpetofauna and passerine birds) across 30 sites in a Mediterranean reserve (Greece). We found that all the five EHI were significantly related to the overall species richness and to the species richness of woody plants and birds. Two indices, measuring vertical vegetation complexity (1/D) and horizontal heterogeneity of landcover types (SIDI) in terms of Simpson's index, predicted well overall species richness and had significantly higher values inside the complementary reserve networks designed after five of the six biological groups. We compared five methods of forming reserve networks. The method of ecological heterogeneity (selecting those sites with the greatest 1/D and then SIDI) was less efficient (non-significantly) than the species-based methods (scoring and complementary networks) but significantly more efficient than the random method (randomly selected network). We also found that the method of complementary ecological heterogeneity (selecting those sites where each EHI had its maximum value) was not that efficient, as it did not differ significantly from the random method. These results underline the potential of the ecological heterogeneity method as an alternative tool in reserve design. © 2010 Springer Science+Business Media B.V.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Kati, V.;  Department of Environmental and Natural Resources Management, University of Ioannina, Seferi 2, 30100 Agrinio, Greece
Poirazidis, K.;  World Wide Fund Greece, Dadia Project, Dadia, 68400 Soufli, Greece
Dufrêne, Marc  ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Halley, J. M.;  Department of Biological Applications and Technologies, University of Ioannina, Ioannina, Greece
Korakis, G.;  Department of Forestry and Management of the Environment and Natural Resources, Democritus University of Thrace, 68200 Orestiada, Greece
Schindler, S.;  Department of Conservation Biology, Vegetation and Landscape Ecology, University of Vienna, Rennweg 14, 1030 Vienna, Austria
Dimopoulos, P.;  Department of Environmental and Natural Resources Management, University of Ioannina, Seferi 2, 30100 Agrinio, Greece
Language :
English
Title :
Towards the use of ecological heterogeneity to design reserve networks: A case study from Dadia National Park, Greece
Publication date :
2010
Journal title :
Biodiversity and Conservation
ISSN :
0960-3115
eISSN :
1572-9710
Publisher :
Springer Science & Business Media B.V., Dordrecht, Netherlands
Volume :
19
Issue :
6
Pages :
1585-1597
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 24 March 2013

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