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Diametric Growth of Tree Species in the Atlantic Forest, Paraná, Brazil Anais da ABC (AABC)
SOUZA,RONAN F.; MACHADO,SEBASTIÃO A.; LONGHI-SANTOS,TOMAZ.
Abstract: Management of remnants in Atlantic Forest is an alternative for their conservation, however, information on the growth and ecology of those species is lacking. This study aimed to describe diametric growth of Balfourodendron riedelianum, Cordia trichotoma and Ocotea diospyrifolia based on its growth rings and to verify the relationship between this growth with the environmental characteristics in different altitude levels and forest types. Diametric growth was higher for the largest tree diameters of the three species. Based on the fitted growth model, the age in which mean annual increment in diameter becomes greater than the current annual increment was 55 years for B. riedelianum (DBH = 18.27 cm), 45 years for C. trichotoma (DBH = 26.56 cm)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dendrochronology; Altitude levels; Forest types; Forest management; Forest ecology; Iguaçu National Park.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000700855
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Distribution of benthic communities in relation to the environmental integrity of subtropical streams Ecología austral
Pujarra,Samaila; Klosinski Lourenço,Danielle; de Almeida Gurski,Fernanda; dos Santos,Ana P. A; Moretto,Yara.
The benthic macroinvertebrate community structure is directly related to environmental factors such as water characteristics, habitat availability and substrate heterogeneity. This study had the purpose of characterizing the benthic macroinvertebrate community and compare its attributes in streams located inside (preserved area) and outside (altered area) the Iguaçu National Park, in the west of Parana, Brazil, in two season (dry and rainy). Three replicates per site were obtained through the Surber collector in four microhabitats (litter pool, litter riffle, substrate pool and substrate riffle). There was significant discrimination in the benthic fauna composition among the study areas (Wilks=0.091; F272,746= 2.249; P<0.0001). The taxa Corbiculidae,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquatic macroinvertebrates; Iguaçu National Park; Agricultural impact; Riparian vegetation; Habitat heterogeneity.
Ano: 2017 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1667-782X2017000400010
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