Summary of Forest Status - Data Presentation and Analysis

Chapter 8. Data Presentation and Analysis

9. Summary of Forest Status

One goal of biodiversity monitoring is to produce an overview on the conservation status of a forest in Panama, where status means the degree of human intervention and impact. At one end of the spectrum are forests largely undisturbed by humans whose original flora and fauna are largely intact, and at the other are forested sites where hunting or felling of trees has changed the community.

The best tools for an assessment of forest structure are biomass and indicator species. Old-growth and mature secondary forest (80 years since disturbance) average over 250 tons per hectare, while secondary and heavily perturbed forests average less than 200 tons. Species listed in Table 8.5 can support inferences suggested by biomass and together suggest whether a site has been cleared or had timber removed in recent decades.

Regarding degradation due to hunting, abundance of large mammals and birds is the clearest indicator. Any presence of deer, peccary, currasow, or guans suggests minimal hunting pressure. These species are typically present in large areas of mature to old-growth, only where hunting is absent. A good report on forest status is to prepare a table of the presence or absence of some of the key tree, mammal, and bird species, along with estimated mean tree biomass per hectare.

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Dalam dokumen Manual on Methods for Monitoring Biodiversity in Panama (Halaman 122-126)