Litter inputs to a tropical Australian rainforest stream
作者： L. J. BENSON , R. G. PEARSON
DOI: 10.1111/J.1442-9993.1993.TB00465.X
关键词: Ecology 、 Litter 、 Phosphorus concentration 、 Plant litter 、 Nitrogen 、 Environmental science 、 Riparian zone 、 Tropical cyclone 、 Spring (hydrology) 、 Rainforest
摘要: Vertical litterfall and lateral litter movement were monitored in the riparian zone of Birthday Creek, a small upland rainforest stream north Queensland, from June 1987 to May 1990. Total (mean = 484 g m−2 year-1) was low comparison with other tropical sites both within Australia elsewhere. Litterfall distinctly seasonal, maxima occurring spring (October-November) minima winter (June–July). Tropical storms caused short-term increases litterfall, especially wood fraction. Overall, laterally transported contributed 6.8% total input section stream. Lateral varied according bank slope microtopographic features not related wind. Nitrogen phosphorus concentration leaves N= 1.26%, P 0.029% by weight). levels overall about 19% higher than that falling directly into
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