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Distribution and production of submerged macrophytes in Tipper Grund (Ringkøbing Fjord, Denmark), and the impact of waterfowl grazing

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Wiley-Blackwell Publishing Ltd.
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Keywords
  • (1) The Submerged Macrophytes Of The Shallow
  • Oligohaline Tipper Grund Were Mapped
  • Total Biomass Increased With Depth And With The Content Of Organic Matter
  • N
  • C
  • Silt And Clay In The Sediment
  • The Different Species Separate Along The Depth Gradient
  • Ruppia Spp
  • Occur At Shallow Depth
  • Chara Spp
  • At Intermediate Depth And Potamogeton Pectinatus
  • Myriophyllum Spicatum And Ranunculus Baudauti At Greater Depth
  • (2) All Macrophyte Species Showed A Unimodal Peak Of Biomass During The Summer
  • Angiosperms With Heavy Epiphytic Load Withered 1-2 Months Earlier Than Did Angiosperms Without Epiph
  • (3) Annual Waterfowl Plant Consumption In The Entire Area (1400 Ha) Was Estimated As 283 T Ash-Free
  • Representing About 30% (15-60%) Of The Annual Macrophyte Production (968 T Ash-Free Dry Wt)
  • Or Nearly Half The Maximum Biomass
  • In Spite Of This High Percentage
  • The Direct Effect Of Grazing Could Not Be Detected By Comparison Between A Normal Sampling Plot And
  • Most Grazing Occurred During Autumn
  • When The Plants Were Dying Off
  • And Little Occurred During The Growing Season

Abstract

Distribution and production of submerged macrophytes in Tipper Grund (Ringkøbing Fjord, Denmark), and the impact of waterfowl grazing - DTU Orbit (15/04/14) Distribution and production of submerged macrophytes in Tipper Grund (Ringkøbing Fjord, Denmark), and the impact of waterfowl grazing - DTU Orbit (15/04/14) Distribution and production of submerged macrophytes in Tipper Grund (Ringkøbing Fjord, Denmark), and the impact of waterfowl grazing. / Kiørboe, Thomas. In: Journal of Applied Ecology, Vol. 17, No. 3, 1980, p. 675-687. Publication: Research - peer-review › Journal article – Annual report year: 1980

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