The diet of Hylaeamys seuanezi (Weksler, Geise & Cerqueira, 1999) (Rodentia: Cricetidae) in forest formations: a comparison of methods and habitats

Published: 2 May 2023| Version 1 | DOI: 10.17632/wn5282xz6v.1
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Description

Coverage of vegetable and animal content and occurence of 17 itens consumed by Hylaeamys seuanezi in forest and agroforest sites, acquired from stomach and fecal contents. "Diet_Hylaeamys_by sample" - isolated stomach and fecal samples "Diet_Hylaeamys_by individual" - stomach and fecal sample from the same individual pooled together

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We characterized the diet of the H. seuanezi species through the analysis of 203 samples, those being: 47 samples of feces and 19 of stomachs coming from 51 individuals captured in agroforests, and 73 samples of feces and 64 of stomachs coming from 75 individuals captured in forest remnants. The samples collected were stored in Eppendorf tubes and fixed with 70% alcohol. In the lab the material was diluted in water (pre-boil). The content was colored in blue from Astra and Safranin, both at 1%. The colored material was initially separated in two categories: (1) vegetable and (2) animal, and later on in 17 subcategories. For vegetable matter, the subcategories utilized were: vegetative part (e.g.: fiber, leaf, bark), fruit (e.g.: fruit pulp, stem, fruit peel), intact seed (with no visible damage), and damaged seed (fragmented or with visible fissures). The exoskeletons and matter of animal origin were identified in the smallest taxonomic level possible (usualy Order).

Categories

Diet, Small Mammal

Funding

Conselho Nacional de Desenvolvimento Científico e Tecnológico

INCT IN-TREE [CNPq-465767/2014-1], CNPq-PPBio Rede BioMA [457524/2012-0], SISBIOTA Project [563216/2010-7],

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

INCT IN-TREE [CAPES-23038.000776/2017-54]

Fundação de Amparo à Pesquisa do Estado da Bahia

0008/2011

Universidade Estadual de Santa Cruz

073.6764.2020.0003917-18; 00220.1100.1264; 00220.1100.1645 and 00220.1100.1536

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