Novel ecosystems resulting from landscape transformation create dilemmas for modern conservation practice

被引：104

作者：

Lindenmayer, David B. ^{[1
]}

Fischer, Joern ^{[1
]}

Felton, Adam ^{[1
]}

Crane, Mason ^{[1
]}

Michael, Damian ^{[1
]}

Macgregor, Christopher ^{[1
]}

Montague-Drake, Rebecca ^{[1
]}

Manning, Adrian ^{[1
]}

Hobbs, Richard J. ^{[2
]}

机构：

[1] Australian Natl Univ, Fenner Sch Environm & Soc, Canberra, ACT 0200, Australia

[2] Murdoch Univ, Sch Environm Sci, Murdoch, WA 6150, Australia

来源：

CONSERVATION LETTERS | 2008年 / 1卷 / 03期

关键词：

Birds; community composition; landscape change; longitudinal study; novel ecosystem; plantation expansion; woodland remnants;

D O I：

10.1111/j.1755-263X.2008.00021.x

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Introduction: Novel ecosystems occur when new combinations of species appear within a particular biome due to human activity, environmental change, or impacts of introduced species. Background: Managing the trajectory of ecosystems toward desired outcomes requires an understanding of the means by which they developed. To facilitate this understanding, we present evidence for the development of a novel ecosystem from a natural experiment focusing on 52 woodland remnants surrounded by maturing stands of exotic radiata pine. Results: Bird community composition changed through time resulting in a unique blend of tall closed forest and open-woodland birds that previously did not occur in the study area, nor in the region's tall closed forest or open-woodland biomes. Conclusion: Novel ecosystems will become increasingly common due to climate change, raising complex management and ethical dilemmas for policy makers and resource managers.

引用

页码：129 / 135

页数：7

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