ROA: Relationships Between Fungi and the Nutritional Content of Detritus for Leaf-shredding Invertebrates in Streams

ROA:真菌与溪流中碎叶无脊椎动物碎屑营养含量之间的关系

基本信息

  • 批准号:
    8705486
  • 负责人:
  • 金额:
    $ 21.58万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1987
  • 资助国家:
    美国
  • 起止时间:
    1987-07-01 至 1991-06-30
  • 项目状态:
    已结题

项目摘要

Microbial ecology, of all areas of general ecology, is the least well researched and understood. This is most obvious in aquatic microbial ecology. In recent years, because of genetic engineering of microbes, there is a national need to know more about microbial ecology. Dr. Suberkropp, of the University of Alabama, proposes to study aquatic microbial and invertebrate communities. The proposed studies are designed to determine the degree to which the species composition of fungi colonizing leaves in different stream habitats affects the growth of leaf-shredding habitats. The dynamics of leaf conditioning by the dominant fungi in these steams will be determined to establish the time required by each species to fully condition leaves in the laboratory. The rates of growth, ingestion, egestion and respiration of shredders from different streams fed diets of leaves that have been fully conditioned by pure cultures of these fungi will be used to estimate the food quality of fungal species. Energetics of different shredder taxa fed fungi of high and low food quality will be compared. The effect of fungal species composition on shredder growth will be examined for leaves colonized in streams containing fungal communities dominated by different fungal species. The fungal species present on leaves will be determined, and shredder performance on diets of these leaves will be evaluated. Results will be related to food quality of the fungi colonizing leaves in different streams. The studies proposed will provide a comparative data base on relationships between shredder performance and diets of different fungal species in pure culture and in natural microbial communities and should increase understanding of the range of interactions that can occur between these two groups of organisms.
在一般生态学的所有领域中,微生物生态学是研究和理解最少的。这在水生微生物生态学中最为明显。近年来,由于微生物的基因工程,有一个国家需要更多地了解微生物生态学。阿拉巴马大学的Suberkropp博士建议研究水生微生物和无脊椎动物群落。本研究旨在确定在不同溪流生境中定植叶片的真菌种类组成对碎叶生境生长的影响程度。这些蒸汽中优势真菌的叶片调节动力学将被确定,以确定每个物种在实验室中完全调节叶片所需的时间。来自不同溪流的碎纸机的生长、摄食、排出和呼吸速率将被用来估计真菌种类的食物质量。这些食物的饲料是由这些真菌的纯培养物完全调节的。比较不同碎纸机类群饲喂高品质和低品质真菌的能量学。真菌种类组成对碎纸机生长的影响将在含有不同真菌种类主导的真菌群落的溪流中进行研究。将确定叶片上存在的真菌种类,并评估这些叶片在饲料上的切碎性能。结果将与不同河流中真菌定殖叶片的食物质量有关。提出的研究将为纯培养和天然微生物群落中不同真菌种类的碎纸机性能和饲料之间的关系提供比较数据基础,并应增加对这两组生物之间可能发生的相互作用范围的理解。

项目成果

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Keller Suberkropp其他文献

Keller Suberkropp的其他文献

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{{ truncateString('Keller Suberkropp', 18)}}的其他基金

Leaf Litter Breakdown and Microbial Interactions in Freshwater Ecosystems
淡水生态系统中的落叶分解和微生物相互作用
  • 批准号:
    0075177
  • 财政年份:
    2000
  • 资助金额:
    $ 21.58万
  • 项目类别:
    Fellowship Award
Regulation of the Growth and Activity of Leaf-Decomposing Fungi by Dissolved Nutrients (N and P) in Streams
溪流中溶解养分(N 和 P)对叶腐真菌生长和活性的调节
  • 批准号:
    9407232
  • 财政年份:
    1994
  • 资助金额:
    $ 21.58万
  • 项目类别:
    Standard Grant
Regulation of the Growth and Activity of Leaf-decomposing Fungi by Dissolved Nutrients (N and P) in Streams
溪流中溶解养分(N 和 P)对叶分解真菌生长和活性的调节
  • 批准号:
    9207789
  • 财政年份:
    1992
  • 资助金额:
    $ 21.58万
  • 项目类别:
    Standard Grant
Strategies of Detritus Exploitation By Stream Fungi
溪流真菌利用碎屑的策略
  • 批准号:
    8796175
  • 财政年份:
    1986
  • 资助金额:
    $ 21.58万
  • 项目类别:
    Continuing Grant
Strategies of Detritus Exploitation By Stream Fungi
溪流真菌利用碎屑的策略
  • 批准号:
    8307325
  • 财政年份:
    1983
  • 资助金额:
    $ 21.58万
  • 项目类别:
    Continuing Grant
Dynamics of Detritus Based Trophic Interactions in Streams
溪流中基于碎屑的营养相互作用的动力学
  • 批准号:
    7922997
  • 财政年份:
    1980
  • 资助金额:
    $ 21.58万
  • 项目类别:
    Standard Grant

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