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Human Activity Differentially Redistributes Large Mammals in the Canadian Rockies National Parks Ecology and Society
Rogala, James Kimo; Parks Canada; University of Calgary; jameskimor@yahoo.com; Hebblewhite, Mark; University of Montana;; Whittington, Jesse; Parks Canada;; White, Cliff A.; Parks Canada;; Coleshill, Jenny; University of Calgary;; Musiani, Marco; University of Calgary;.
Tipo: Peer-Reviewed Reports Palavras-chave: Banff National Park; Conditional logistic regression; Elk; Human activity; Resource selection; Trails; Wolves; Yellowstone National Park.
Ano: 2011
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Monitoring canopy bird activity in disturbed landscapes with automatic recorders: A case study in the tropics ArchiMer
Ducrettet, Manon; Forget, Pierre-michel; Ulloa, Juan Sebastian; Yguel, Benjamin; Gaucher, Philippe; Prince, Karine; Haupert, Sylvain; Sueur, Jerome.
Tropical forests are facing threats that may affect the dynamics of seed dispersers which participate in the forest regeneration. To implement appropriate conservation programs, it appears necessary to monitor seed dispersers and to estimate their response to local changes. Here, we used non-invasive ecoacoustic methods to monitor the activity of a canopy bird, the White-throated toucan, Ramphastos tucanus, a major seed disperser and flagship species of the Amazonian forest. We deployed nine acoustic recorders over 29 days along a road that connects French Guiana to Brazil. We used template matching to automatically detect the vocalizations of R. tucanus. This method, which can easily be repeated with limited human expertise, detected 1748 recordings with...
Tipo: Text Palavras-chave: Biodiversity monitoring; Tropical forest; Ecoacoustics; Human activity.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00657/76860/78170.pdf
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Seed rain in areas with and without bamboo dominance within an urban fragment of the Atlantic Forest Acta Botanica
Grombone-Guaratini,Maria Tereza; Alves,Luciana Ferreira; Vinha,Daniella; Franco,Geraldo Antônio Daher Corrêa.
Understanding the flow of diaspores is fundamental for determining plant population dynamics in a particular habitat, and a lack of seeds is a limiting factor in forest regeneration, especially in isolated forest fragments. Bamboo dominance affects forest structure and dynamics by suppressing or delaying the recruitment of and colonization by tree species as well as by inhibiting the survival and growth of adult trees. The goal of the present study was to determine whether dominance of the bamboo species Aulonemia aristulata (Döll) McClure in the forest understory influences species abundance and composition. We examined the seed rain at two noncontiguous sites (1.5 km apart) within an urban forest fragment, with and without bamboo dominance (BD+ and BD-...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aulonemia aristulata; Dispersal; Human activity; Natural regeneration.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062014000100008
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