作者: Jeffrey B. Marliave
DOI: 10.1577/1548-8659(1986)115<149:LOPDOR>2.0.CO;2
关键词: Range (biology) 、 Rocky shore 、 Ichthyoplankton 、 Intertidal ecology 、 Plankton 、 Ecology 、 Submarine pipeline 、 Intertidal zone 、 Biological dispersal 、 Biology
摘要: Abstract Although planktonic drift is presumed for larvae of most marine fish species, the extent larva dispersal by intertidal species largely unknown. Oblique tows with a net 500-μm mesh were made at distances 0, 4, 20, and 500 m from steep rocky shores, divers guiding 0-m tows. Ichthyoplankton extreme nearshore area was more dense than that offshore waters. Species composition shifted radically inshore to offshore; (cottids, stichaeids, pholids, gobiesocids) dominant inshore. Larvae fishes occurred frequently along shores on an adjacent sandy beach. The evidence suggests resist possibly longshore dispersal. In contrast information beaches, data reveal all stages remain inshore, not just those within narrow size range. Populations may thus be relatively isolated genetically.