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Temperature-dependent ranges of coexistence in a model of a two-prey-one-predator microbial food web

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Abstract

The objective of our study was to analyze the effects of temperature on the population dynamics of a three-species food web consisting of two prey bacteria (Pedobacter sp. and cinetobacter johnsonii) and a protozoan predator (Tetrahymena pyriformis) as model organisms. We assessed the effects of temperature on the growth rates of all three species with the objective of with four differential equations based
on the experimental data. The following hypotheses were
tested at a theoretical level: Firstly, temperature changes
can affect the dynamic behavior of a system by temperature-
dependent parameters and interactions and secondly, food web response to temperature cannot be derived from the single species temperature response. The main outcome of the study is that temperature changes affect the parameter range where coexistence is possible within all three species. This has significant consequences on our ideas regarding the evaluation of effects of global warming

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Informasi Detail

Judul Seri

Marine Biology (2012) 159:2423–2430

No. Panggil

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Penerbit

: Springer-Verlag., 2012

Deskripsi Fisik

Mar Biol (2012) 159:2423–2430

Bahasa

English

ISBN/ISSN

1432-1793

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

ILMU LINGKUNGAN

Info Detail Spesifik

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Pernyataan Tanggungjawab

Ety

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