Does Spatial Pattern Matter to Ecosystem Functioning? Insights from Biological Soil Crusts

1. Theoretical and modelling studies highlight the importance of the spatial patterns of organisms for ecosystem functioning, stability and dynamics. However, there is little empirical evidence as to their importance as drivers of such ecosystem attributes. 2. We evaluated the relationships between...

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Veröffentlicht in:Functional ecology 2005-08, Vol.19 (4), p.566-573
Hauptverfasser: Maestre, F. T., Escudero, A., Martinez, I., Guerrero, C., Rubio, A.
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container_end_page 573
container_issue 4
container_start_page 566
container_title Functional ecology
container_volume 19
creator Maestre, F. T.
Escudero, A.
Martinez, I.
Guerrero, C.
Rubio, A.
description 1. Theoretical and modelling studies highlight the importance of the spatial patterns of organisms for ecosystem functioning, stability and dynamics. However, there is little empirical evidence as to their importance as drivers of such ecosystem attributes. 2. We evaluated the relationships between different biological soil crust attributes (spatial pattern, cover and diversity) and ecosystem functioning in two semiarid areas differing in the developmental stage of these crusts. 3. We found a significant direct relationship between spatial pattern and both soil bulk density and respiration (surrogates of ecosystem infiltration and nutrient cycling, respectively) at one of our study sites. However, the strength of such a relationship was lower than that found between attributes such as cover and evenness and the same ecosystem functioning surrogates. 4. Our results represent, to our knowledge, some of the first empirical evidence linking the spatial pattern of a community and ecosystem functioning. They also suggest that the importance of spatial pattern as a driver of ecosystem functioning may depend on community attributes such as cover and diversity, and that its importance may be lower than that of these attributes.
doi_str_mv 10.1111/j.1365-2435.2005.01000.x
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subjects Aggregate stability
Animal and plant ecology
Animal, plant and microbial ecology
Autoecology
Biological and medical sciences
Biological soil crusts
community attributes
Ecology
Ecosystem models
Ecosystems
Fundamental and applied biological sciences. Psychology
General aspects
heterogeneity
Human ecology
Lichens
mosses
Soil ecology
Soil respiration
Species
title Does Spatial Pattern Matter to Ecosystem Functioning? Insights from Biological Soil Crusts
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