Ecological evaluation and restoration “Lisan Wasi” San Pedro community, Tarqui parish, Pastaza canton

Abstract

Vegetation is a key natural resource for ecosystem
balance, it is necessary to have quantitative information
about its characteristics and distribution. This research
aimed to evaluate areas disturbed by anthropic activities
and allowed to establish an ecological restoration plan with
native species of the secondary forest of the Ecuadorian
Amazon, in the Community of San Pedro “Lisan Wasi”,
Parish Tarquí, Canton of Pastaza, was carried out a floristic
inventory, the indices of value of ecological importance
and extended ecological importance were determined.
In addition, the specific wealth index of Menhinick, and
Margalef, of Shannon-Weaner equity, Simpson’s dominance
to know the diversity of the vegetation was obtaided. As
well as the Jaccard, Sorensen Indice and the hierarchical
conglomerate. The degree of disturbance of the area was
evaluated through indicators of changes in the ecosystem, as
a result a total of 33 families were identified, and 74 species
belonging mainly to the tree, shrub and herbaceous stratum.
Representative species were Bromeliaceae catopsis,
Cedrela odorata, Cecropia peltata, Persea americana,
Schizolobium parahybum. The most representative
families, in this order: Fabaceae, Aracaceae, Poaceae,
Rutaceae and Melastomataceae. Index values showed that
there is a large number of species that the community has
dominant species and therefore the diversity is greater;
there was no equitable formation and all species are not
abundant. The degree of disturbance identified was due to
alteration to the composition of species and alteration to
the structure, the diagnosis allowed to apply the techniques
of ecological restoration for the improvement of the study
area, through the transplantation with native species in an
area of 0.24 ha, in the affected areas.