DOI: 10.1111/ele.12572
Scopus记录号: 2-s2.0-84959862098
论文题名: Acquired phototrophy stabilises coexistence and shapes intrinsic dynamics of an intraguild predator and its prey
作者: Moeller H.V. ; Peltomaa E. ; Johnson M.D. ; Neubert M.G.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2016
卷: 19, 期: 4 起始页码: 393
结束页码: 402
语种: 英语
英文关键词: Mesodinium rubrum
; Acquired metabolic potential
; Community ecology
; Intraguild predation
; Kleptoplastidy
; Mixotrophy
Scopus关键词: Mesodinium rubrum
; animal
; aquatic species
; biological model
; ciliate
; Cryptophyta
; ecosystem
; food chain
; light
; phototrophy
; physiology
; phytoplankton
; Animals
; Aquatic Organisms
; Ciliophora
; Cryptophyta
; Ecosystem
; Food Chain
; Light
; Models, Biological
; Phototrophic Processes
; Phytoplankton
英文摘要: In marine ecosystems, acquired phototrophs - organisms that obtain their photosynthetic ability by hosting endosymbionts or stealing plastids from their prey - are omnipresent. Such taxa function as intraguild predators yet depend on their prey to periodically obtain chloroplasts. We present a new theory for the effects of acquired phototrophy on community dynamics by analysing a mathematical model of this predator-prey interaction and experimentally verifying its predictions with a laboratory model system. We show that acquired phototrophy stabilises coexistence, but that the nature of this coexistence exhibits a 'paradox of enrichment': as light increases, the coexistence between the acquired phototroph and its prey transitions from a stable equilibrium to boom-bust cycles whose amplitude increases with light availability. In contrast, heterotrophs and mixotrophic acquired phototrophs (that obtain < 30% of their carbon from photosynthesis) do not exhibit such cycles. This prediction matches field observations, in which only strict ( > 95% of carbon from photosynthesis) acquired phototrophs form blooms. © 2016 John Wiley & Sons Ltd/CNRS. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107785
Appears in Collections: 气候减缓与适应
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作者单位: Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA, United States; Department of Environmental Sciences, University of Helsinki, Helsinki, Finland
Recommended Citation:
Moeller H.V.,Peltomaa E.,Johnson M.D.,et al. Acquired phototrophy stabilises coexistence and shapes intrinsic dynamics of an intraguild predator and its prey[J]. Ecology Letters,2016-01-01,19(4)