Modelling the ecological-functional diversification of marine Metazoa on geological time scales

被引：22

作者：

Bush, Andrew M. ^{[1
,2
]}

Novack-Gottshall, Philip M. ^{[3
]}

机构：

[1] Univ Connecticut, Dept Ecol & Evolutionary Biol, Storrs, CT 06269 USA

[2] Univ Connecticut, Ctr Integrat Geosci, Storrs, CT 06269 USA

[3] Benedictine Univ, Dept Biol Sci, Lisle, IL 60532 USA

来源：

BIOLOGY LETTERS | 2012年 / 8卷 / 01期

关键词：

ecospace utilization; diversification; Phanerozoic; functional diversity; macroevolution; Metazoa; THEORETICAL ECOSPACE; DIVERSITY; COMMUNITIES; MACROEVOLUTION; ASSEMBLAGES; RADIATIONS; EVOLUTION; ECOSYSTEM; INCREASE; ANIMALS;

D O I：

10.1098/rsbl.2011.0641

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The ecological traits and functional capabilities of marine animals have changed significantly since their origin in the late Precambrian. These changes can be analysed quantitatively using multi-dimensional parameter spaces in which the ecological lifestyles of species are represented by particular combinations of parameter values. Here, we present models that describe the filling of this multi-dimensional 'ecospace' by ecological lifestyles during metazoan diversification. These models reflect varying assumptions about the processes that drove ecological diversification; they contrast diffusive expansion with driven expansion and niche conservatism with niche partitioning. Some models highlight the importance of interactions among organisms (ecosystem engineering and predator-prey escalation) in promoting new lifestyles or eliminating existing ones. These models reflect processes that were not mutually exclusive; rigorous analyses will continue to reveal their applicability to episodes in metazoan history.

引用

页码：151 / 155

页数：5

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