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The role of environmental temperature on movement patterns of giant anteaters

Integrative Zoology 2022年第2期17卷 285-296页

作者： Aline GIROUX Zaida ORTEGA Alessandra BERTASSONI Arnaud Léonard Jean deSBIEZ Danilo KLUYBER Gabriel Favero MASSOCATO Guilherme de MIRANDA Guilherme MOURÃO Luciana SURITA Nina ATTIAS Rita de Cassia BIANCHI vinícius peron de oliveira gasparotto Luiz Gustavo Rodrigues oliveira-SANTOS Ecology department Federal University of Mato Grosso do Sul(UFMS)Campo GrandeMato Grosso do SulBrazil Post Graduate Program of Ecology and Evolution Federal University of Goiás(UFG)GoiâniaGoiásBrazil Institute of Research and Conservation of Anteaters in Brazil(PROJETO TAMANDUÁ) ParnaíbaPiauíBrazil Institute for the Conservation of Wild Animals(ICAS) Campo GrandeMato Grosso do SulBrazil Royal Zoological Society of Scotland(RZSS) MurrayfieldEdinburghUK Institute for Ecological Research(IPÊ) NazaréPaulistaSão PauloBrazil Naples Zoo at Caribbean Gardens NaplesFloridaUSA The Houston Zoo HoustonTexasUSA National Institute of Criminalistics-Federal Police BrasíliaBrazil Embrapa Pantanal CorumbáMato Grosso do SulBrazil Natural Resources Graduate Program(PRONAT)-Federal University of Roraima(UFRR) Boa VistaRoraimaBrazil Animal Biology Graduate Program Federal University of Mato Grosso do Sul(UFMS)Campo GrandeMato Grosso do SulBrazil Animal Biology department São Paulo State University(UNESP)São Josédo Rio PretoSão PauloBrazil department of Preventive Veterinary Medicine and Animal Health School of Veterinary MedicineUniversity of São Paulo(USP)São PauloSPBrazil Brazilian Institute for Conservation Medicine(TRÍAde) RecifePernambucoBrazil

Mammals can show conspicuous behavioral responses to thermal variation,including changes in movement *** used an integrative approach to understand how environmental temperature can drive the movement behavior of a mammal with low capacity for physiological thermoregulation,the giant anteater(Myrmecophaga tridactyla).We tracked 52 giant anteaters in 7 areas throughout the Brazilian *** estimated the distance moved,area used,use of forest areas,and mean environmental temperature for each monitoring day of each *** modeled these data with Mixed Structural Equations—considering the possible interactions between our variables and controlling for sex and body *** anteaters reduced displacement and increased forest use with decreasing environmental temperature,probably because of their low body heat *** is possible that they reduce distance moved and area used by reducing the duration of *** decreasing temperature,forest habitats become warmer than open ones,besides buffer rain and chilly *** displacement and using forests are important strategies to reduce body heat loss and the energetic costs of ***,decreasing movement can limit food access and,consequently,***,we highlight the importance of forests as thermal *** increasing frequency and intensity of extreme weather events,we showed the need to preserve forest patches to offer suitable conditions for tropical mammals’behavioral *** this context,policies favoring deforestation on Brazilian territory are especially ***,we emphasize the need of integrative approaches to understand the complex interactions between organisms and the environment.

关键词： behavioral thermoregulation biologging habitat use mixed structural equations movement ecology

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On Conditionally Positive definite Dot Product Kernels

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Acta Mathematica Sinica,English Series 2008年第7期24卷 1127-1138页

作者： V.A.MENEGATTO C.P.oliveira Ana P.peron departamento de Matemática ICMC-USP- Sāo CarlosCaixa Postal 66813560-970 Sāo Carlos SPBrasil Universidade Federal de Itajubá ICE-DMCCaixa Postal 5037500-903 ItajubáMGBrasil

Let m and n be fixed, positive integers and P a space composed of real polynomials in m variables. The authors study functions f ： R →R which map Gram matrices, based upon n points of R^m, into matrices, which are nonnegative definite with respect to P Among other things, the authors discuss continuity, differentiability, convexity, and convexity in the sense of Jensen, of such functions

关键词： conditionally positive definite kernels dot product kernels Gram matrices convexity convexity in the sense of Jensen

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