Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/49619
Title: Spatial variation in the structural parameters of Cymodocea nodosa seagrass meadows in the Canary Islands: A multiscaled approach
Authors: Barbera, Carmen
Tuya, Fernando 
Boyra, Arturo
Sanchez-Jerez, Pablo
Blanch, Ivan
Haroun, Ricardo J. 
UNESCO Clasification: 2417 Biología vegetal (botánica)
Keywords: Canarian Archipelago
Cymodocea nodosa
Meadow structure
Seagrass
Issue Date: 2005
Publisher: 0006-8055
Journal: Botanica marina (Print) 
Abstract: Meadows of the seagrass Cymodocea nodosa (legislated as an endangered species) are the dominant vegetated communities in shallow soft bottoms throughout the Canary Islands (central east Atlantic Ocean). We provide baseline ecological information for this key species for the whole Canarian Archipelago by describing the spatial distribution patterns of structural parameters (percent coverage and shoot density) at different hierarchical spatial scales (from tens of meters to hundreds of kilometers). The coverage values varied between 42.5 and 100% (mean±SE=76.7±2.5%, N=80) and the mean shoot density per location ranged between 164 and 710 shoots m−2 (mean±SE=403.6±17.0 shoots m−2, N=160). We observed a strong variability at small- to medium-spatial scales (locations within islands separated by tens of kilometres and sites hundreds of meters apart within locations) in contrast to a lack of inter-island variability. Additionally, the structural parameters respond differentially to different sets of ecological and physical processes operating at these scales.
URI: http://hdl.handle.net/10553/49619
ISSN: 0006-8055
DOI: 10.1515/BOT.2005.021
Source: Botanica Marina [ISSN 0006-8055], v. 48, p. 122-126
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