Newly discovered landscape traps produce regime shifts in wet forests

被引：226

作者：

Lindenmayer, David B. ^{[1
]}

Hobbs, Richard J. ^{[2
]}

Likens, Gene E. ^{[1
,3
]}

Krebs, Charles J. ^{[4
]}

Banks, Samuel C. ^{[1
]}

机构：

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

[2] Univ Western Australia, Sch Plant Biol, Crawley, WA 6009, Australia

[3] Cary Inst Ecosyst Studies, Millbrook, NY 12545 USA

[4] Univ British Columbia, Dept Zool, Vancouver, BC V6T 1Z4, Canada

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2011年 / 108卷 / 38期

基金：

美国国家科学基金会;

关键词：

altered ecosystem processes; old growth; REGNANS F MUELL; CLIMATE-CHANGE; FIRE; FRAGMENTATION; COMMUNITIES; DISTURBANCE; RESILIENCE; VEGETATION; RESPONSES; SEVERITY;

D O I：

10.1073/pnas.1110245108

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We describe the "landscape trap" concept, whereby entire landscapes are shifted into, and then maintained (trapped) in, a highly compromised structural and functional state as the result of multiple temporal and spatial feedbacks between human and natural disturbance regimes. The landscape trap concept builds on ideas like stable alternative states and other relevant concepts, but it substantively expands the conceptual thinking in a number of unique ways. In this paper, we (i) review the literature to develop the concept of landscape traps, including their general features; (ii) provide a case study as an example of a landscape trap from the mountain ash (Eucalyptus regnans) forests of southeastern Australia; (iii) suggest how landscape traps can be detected before they are irrevocably established; and (iv) present evidence of the generality of landscape traps in different ecosystems worldwide.

引用

页码：15887 / 15891

页数：5

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