کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5766220 1627554 2017 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Relationship between structure of macrobenthic assemblages and environmental variables in shallow sublittoral soft bottoms
ترجمه فارسی عنوان
رابطه ساختار سازه های ماکروبنتوز و متغیرهای محیطی در پایین کم نرم لیتورال
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات اقیانوس شناسی
چکیده انگلیسی


- Spatial patterns of macrobenthos in shallow sublittoral sediments.
- Abundance, diversity and multivariate structure of macrobenthos.
- Models selecting main environmental variables shaping macrobenthos.
- Most of macrobenthic variability was explained by environmental variables.
- Sedimentary variables were more relevant that those of the water column.

We establish baseline knowledge of abundance, diversity and multivariate structure of macrobenthos from shallow sublitoral soft bottoms in the North Portuguese coast and elucidate main environmental factors that shape their spatial patterns. In this area distribution of soft bottoms is patchy, surrounded by boulders and rocky substrates. This particular landscape and the lack of significant anthropogenic disturbances are values for the conservation of this habitat. Sediment and physicochemical properties of the water column were studied to provide models for each studied macrobenthic variable. Our models highlighted that most of variation (59%-72%) in macrobenthic spatial patterns was explained by the studied environmental variables. Sedimentary variables were more relevant that those of the water column. Therefore, disturbances affecting sedimentary environment could cause dramatic changes in macrobenthic assemblages because of the limited availability of soft bottoms in the area. In this way, results are useful to adopt right management and conservation strategies.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Marine Environmental Research - Volume 129, August 2017, Pages 396-407
نویسندگان
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