Costa Rica Catlins thing

Packages etc…


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Downed woody material (DWM) decomposes in the nutrient cycle, creates light gaps supporting forest-processes, and provides habitat for a range of invertebrates. Furthermore, DWM provides indirect benefits for organisms that feed on those invertebrates. It is vital that all processes in natural systems be considered for achieving sustainable goals. The interaction between invertebrates and DWM is one of these critical components in conservation and forestry that this study aims to address. Tautuku Bay in the Catlins was used as a research site where invertebrate count data were recorded from ‘log,’ ‘adjacent,’ and ‘far’ positions for a total of 57 samples (1 L), extracted from 19 fallen tree sites. Abundance of the 709 total specimens recorded showed a distribution sloping away from a high log to lower far abundance. Diversity from the same records was, instead, highest in the log and low in both soil sites, suggesting the log to be harbouring unique diversity to the surrounding area. These results support management suggestions for time-specific extraction of DWM, indefinite retention of DWM, and using DWM as translocation source pools for surrounding localities.