Biota indigenous

The natural sources of soil organic matter (SOM) are indigenous plant and animal debris that are decomposed and partly mineralized by soil biota. Any factor that... 

LTF uses laboratory sublethal toxicity data and biological field observations ranked on the same scale to examine the strength of their relationship. The LTF rating scheme can use all endpoints determined for biota (fish and invertebrates) in field observations, and allows for the addition of further endpoints and indices as they are developed. LTF has the potential of linking a specific effluent source to a measured field effect in indigenous organisms. 

Xenobiotic. Foreign to the local biota not an indigenous biochemical compound. 

The conceptual model for disposition of copper among these three compartments is illustrated in Figure 1. (Note For the present the model is restricted to these three compartments, although it is recognized that it will be necessary ultimately to include interactions with additional compartments such as the sediment bed and indigenous biota, and perhaps others.)... 

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