Sampling Fishes in Vegetated Habitats: Effects of Habitat Structure on Sampling Characteristics of the 1-m2 Throw Trap
作者： Frank Jordan , Sean Coyne , Joel C. Trexler
DOI: 10.1577/1548-8659(1997)126<1012:SFIVHE>2.3.CO;2
关键词: Substrate (marine biology) 、 Hydrology 、 Marsh 、 Ecology 、 Periphyton 、 Habitat 、 Enclosure 、 Canopy 、 Sampling (statistics) 、 Environmental science 、 Plant cover
摘要: Abstract Enclosure traps that quickly surround well-defined areas of habitat are perhaps the most widely used method for sampling fishes in vegetated habitats. However, relatively few data available to evaluate effects structure on characteristics enclosure traps. In this study, we determined how clearing efficiency and accuracy 1-m2 throw varied across a range environmental conditions Florida Everglades by within enclosed marsh habitat. Throw trap did not differ among two separated locations appeared be unaffected variation water depth, canopy height, plant cover, stem density, periphyton volume. Sampling averaged 63% present after correcting efficiencies. On average, 83% were recovered. Therefore, it about 17% missing may have burrowed into substrate or been discard...
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