섬유

sand beach energetics: an ecosystem approach towards a high energy interface

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 267
general results of a study of energetics on open sandy beaches in south africa are presented. these sand beaches are considered to interact with adjacent terrestrial environments via the sand dune system and with the sea via the surf zone. a food web is given for the macrofauna showing all known interactions from the supply of food material to the beach, mainly from the sea, to the removal of the macrofauna by birds and fishes. an energy circuit diagram is presented quantifying the main energy flows through this system of filter feeders and scavengers. a combined energy circuit diagram is given depicting the beach and surf zone as an ecosystem with the surf zone phytoplankton the producers, the macrofauna the consumers and the interstitial fauna the decomposers. refs
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