Individual specialization in the use of space and movement by the frugivorous bat Sturnira lilium

• Grant number: 16/14939-5
• Support Opportunities: Scholarships abroad - Research Internship - Doctorate
• Start date: November 30, 2016
• End date: August 29, 2017
• Field of knowledge: Biological Sciences - Ecology - Ecosystems Ecology
• Principal Investigator: Márcio Silva Araújo
• Grantee: Patrícia Kerches Rogeri
• Supervisor: Otso Ovaskainen
• Host Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
• Institution abroad: University of Helsinki, Finland
• Associated to the scholarship: 14/24219-4 - Individual specialization in the use of space and diet by the frugivorous bat Sturnira lilium, BP.DR

Abstract

The motivation of this internship is learning about movement ecology analysis and ecological modeling focused on interindividual variation. The main goal includes developing models that couple individual specialization to movement. To achieve this purpose, we will use the frugivorous bat Sturnira lilium as a model species. We will analyze radiotelemetry data that are being collected at the Parque Estadual de Vassununga, Santa Rita do Passa Quatro - São Paulo State. The data are being collected by fixed dataloggers, allowing the tracking of many individuals at the same time. We will analyze data from 30 individuals collected by 40 datallogers distributed in the landscape for 14 nights. On the analyses, we will use turning angles and step-length distribution of the entire population and compare to each individual to determine the proportion of the total population distribution explained by within and between-individual variation, an analogy to the individual specialization index WIC/TNW. We will use randomization methods for estimating a significance value to test whether the variation found between individuals and the population is expected by chance. We are also going to test for the effects of resources and landscape variables, such as patch size and landscape connectivity, on the distribution of step lengths and turning angles. Understanding movement patterns and the individual specialization in movement will provide relevant information about how these animals perceive the landscape and will allow to predict how they might respond to landscape processes such as fragmentation. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

KERCHES-ROGERI, PATRICIA; RAMOS, DANIELLE LEAL; SIREN, JUKKA; TELES, BEATRIZ DE OLIVEIRA; CRUZ ALVES, RAFAEL SOUZA; PRIANTE, CAMILA FATIMA; RIBEIRO, MILTON CEZAR; ARAUJO, MARCIO SILVA; OVASKAINEN, OTSO. Movement syndromes of a Neotropical frugivorous bat inhabiting heterogeneous landscapes in Brazil. MOVEMENT ECOLOGY, v. 9, n. 1, JUL 7 2021. (16/14939-5, 13/50421-2, 14/24219-4)