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Project Results A variety of interacting physical and biological factors will structure the community composition, species richness and abundance patterns in spring faunal assemblages, although few definitive data are available to assess the specific role of many of them. These factors include temperature, water chemistry, hydrogeology and physical characteristics of the habitats such as substratum type, macrophyte community, water depth and flow regime. The springs varied in many of these characteristics and as a result supported a varied flora and fauna between sites.The present study identified a marked trend in faunal community characteristics in association with the degree to which human disturbance had impacted on warm spring sites.
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