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Climbing plants community patterns and its relations with tree biomass and natural regeneration in a Seasonal Semidecidual Forest: Implications for the management of degraded forest fragments Due to the historical process of exploration and conversion of land use in tropical forest, nowadays these regions are highly fragmented and the remaining vegetation under constant pressure, what can be seen in the semideciduous seasonal forests of São Paulo, Brazil. The increase in the frequency and intensity of disturbance factors in small forest fragments can cause an unbalanced proliferation of climbing plants that end up contributing to forest degradation initiated by the disturbances. Demand for solving problems related to the management of these plants as a forest restoration tool has increasingly risen. Thus, the present study aimed to characterize the pattern of climbing plants community in different conservation areas of a small and degraded Seasonal Semidecidual forest fragment and evaluate the patterns of association within variables such as density, diameter and biomass with forest structural variables as the natural regeneration and the tree biomass of the total area and conservation sectors. The variables that were associated with at least some strata were selected to compose candidate models using natural regeneration density as the response variable, being made a selection of the best model using Akaike Information Criterion (AIC). Using the models selected as guides, were drawn and discussed possible management strategies. Were sampled 2323 individuals from climbing plants belonging to 62 species, 50 genera and 20 botanical families. The species difficilis Mansoa, oblique Lundia, bracteosa Dicella, triplinervia Fridericia, Serjania fuscifolia, Adenocalymma marginatum, Bignonia Bignonia campanulata sciuripabula and accounted for 50% of the total abundance of individuals. The results showed that the area has a wealth and diversity of climbing plants, and registered a motley abundance in different conservation sectors, with exclusive species for each of them. Some species as Bignonia campanulata showed high density in sectors "little degraded," few individuals in "degraded" sectors and was not found in sectors "highly degraded". In general, the variables of climbing plants don't showed strong trends of association with natural regeneration and tree biomass when considering the total area, but some moderate associations were obtained in different conservation sectors. The model selected for total area and sectors "degraded" and "highly degraded" showed a negative effect by the climbing plants density and a positive effect by the tree biomass on natural regeneration. In the other hand the "little degraded" sector best model showed no effect of any precditive variable. By the results, the author suggests that the management focused on the control of density and maintenance and promotion of tree biomass would be more suitable in degraded forest fragments.

Padrões da comunidade de trepadeiras e suas relações com a biomassa arbórea e a regeneração natural em uma Floresta Estacional Semidecidual em Piracicaba, SP: implicações no manejo de fragmentos florestais degradados