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  • 1.
    Rezende, Andreia Alves
    et al.
    Universidade Estadual Paulista - UNESP.
    Santos, Karin
    Swedish Museum of Natural History, Department of Botany.
    Melis, Juliano van
    Lianas Métodos de Amostragem e Estudo de Caso2015In: Fitossociologia no Brasil Métodos e Estudos de Casos / [ed] J.M. Felfili; P.V. Eisenlohr; M.M.R.F. Melo; L.A.Andrade; J.A.A. Meira Neto., Brazil: Editora UFV , 2015Chapter in book (Other academic)
  • 2.
    Santos, Karin
    Swedish Museum of Natural History, Department of Botany.
    Santos, Flavio A. M. dos (Contributor)
    Universidade Estadual de Campinas - Unicamp.
    Tree species composition and similarity in semideciduous forest fragments of southeastern Brazil2007In: Biological Conservation, ISSN 0006-3207, E-ISSN 1873-2917, Vol. 135, no 02, p. 268-277Article in journal (Refereed)
    Abstract [en]

    This study investigates the influence of fragment size on tree species composition, speciesrichness and on individual groups of species within 11 semideciduous forest fragments insoutheastern Brazil. We compared same-sized samples of 500 trees from 10 fragments<100 ha, allocated to three size categories, with three 500-tree samples collected in differentareas within a large forest, used as a reference forest. The variation in species richness,in the proportion of species/individuals in dispersal modes, and in the proportion of rarespecies was not related to fragment size. Nonetheless, comparisons between the mean valuesof these variables of each fragment size categories, using 95% confidence intervals,showed a wider range of variation within the category of small-sized fragments than inthe other size categories. NMS ordination plot also suggested the absence of a relationshipbetween fragment area and tree species composition. However, multiple regressions usingthe scores from the NMS ordination as response variables, and area and disturbance intensitiesas predictor variables, suggested that the interaction of area and disturbance mightbe a good predictor of species composition. Pre-existing environmental heterogeneityand geographical proximity also appeared to play a role in the variations of forest compositionamong the fragments studied. Our results demonstrated the high conservation value of small forest fragments.

  • 3.
    Santos, Karin
    et al.
    Swedish Museum of Natural History, Department of Botany. Universidade Estadual de Campinas - Unicamp.
    Kinoshita, Luiza Sumiko
    Universidade Estadual de Campinas - Unicamp.
    FLORA ARBUSTIVO-ARBÓREA DO FRAGMENTO DE FLORESTA ESTACIONALSEMIDECIDUAL DO RIBEIRÃO CACHOEIRA, MUNICÍPIO DE CAMPINAS, SP: Flora arbustivo-arbórea do fragmento de floresta estacional semidecidual do Ribeirão Cachoeira2003In: Acta Botanica Brasilica, ISSN 0102-3306, E-ISSN 1677-941X, Vol. 17, no 03, p. 325-341Article in journal (Refereed)
    Abstract [en]

    An inventory of the woody flora (trees and shrubs), was carried out in the Ribeirão Cachoeria forest (233.7ha, 650m high, 46°55’58’’W, 22°50’13’’S), the second largest and best conserved fragment of semideciduoustropical forest in the municipality of Campinas, São Paulo state, Southeastern Brazil. The soil is a red-yellowpodsol and the climate is of Köppen’s Cwag type. Collections were made from August/1996 to September/1997.Only fertile individuals with a perimeter at breast height of 9cm or greater were included in the survey. Onehyndred and seventhy five species were identified, belonging to 119 genera and 49 families. The most importantfamilies were Myrtaceae (14 species), Rutaceae and Fabaceae (13), Caesalpiniaceae (11), Solanaceae (9), andRubiaceae (8). Some species were found for the first time in the region: Tachigali multijuga Benth. and Schoepfiabrasiliensis A.DC. The flowering peak for most species was from August to October. Maximum fruit productionwas from August to November. Most species are zoochoric (58%), but 23% were anemochoric and 19% autochoric.The floristic composition of this forest and another 20 forests from São Paulo state were compared. The results obtained indicate the existence of distinct groups of forests. The most homogeneus group contains forests fromthe municipality of Campinas with similarity of 40%. This suggests that these forests are possibly fragments of aoriginal continuous forest in the Campinas region.

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