Journal
BIOTA NEOTROPICA
Volume 22, Issue 4, Pages -Publisher
REVISTA BIOTA NEOTROPICA
DOI: 10.1590/1676-0611-BN-2021-1315
Keywords
biodiversity loss; conservation; fruit availability; one health; parasites; primates.
Categories
Funding
- Bahia State Research Support Foundation - FAPESB [2723/2015]
- Coordination for the Improvement of Higher Education Personnel - CAPES [019/2016]
- Brazilian National Research Council (CNPq) [303448/2019-9, 304226/2019-0]
- CAPES/PNPD
- State University of Santa Cruz (UESC)
- CNPq [300587/2009-0, 306154/2010-2]
- National Institute of Science and Technology in Interdisciplinary and Transdisciplinary Studies in Ecology and Evolution (INCT IN-TREE), Bahia, Brazil [465767/2014-1, 23038.000776/2017-54]
- FAPESB [011/2015]
- Project BioBrasil/Centre for Research and Conservation/Royal Zoological Society of Antwerp (Belgium)
- Flemish Ministry of Economy, Science and Innovation (Belgium)
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This study investigated the effects of abiotic factors and fruit availability on the health and endoparasite load of golden-headed lion tamarins in degraded fragments of Atlantic forest in Brazil. It was found that there was a high variation in fruit availability throughout the year, but this did not significantly impact the tamarins' general health status and body mass. Additionally, temperature and daylength were negatively correlated with endoparasite loads. The results suggest the importance of environmental factors on animal health and the need for constant monitoring to conserve endangered species.
Both anthropogenic actions and abiotic parameters, such as rainfall, temperature and photoperiod, can affect fruit and flower availability for animals, which consequently affects nutritional status and thus animals'health. Herein, we investigated whether abiotic factors are related to changes in fruit availability that can lead to changes in feeding behavior and, consequently, in endoparasite load and general health status in two groups of goldenheaded lion tamarins (Leontopithecus chrysomelas) living in degraded fragments of Atlantic forest in Southern Bahia, Brazil. We detected that there was a high variation in availability of ripe fruits throughout the year, with lower availability occurring at the end of spring and beginning of summer. Despite this, there was no difference in tamarins' general health status, body mass and blood counts between seasons. This is probably because during native fruit scarcity, the tamarins eat cultivated species, such as banana (Musa spp.) and jackfruit (Artocarpus heterophyllus). Temperature and daylength were negatively correlated with golden-headed lion tamarin endoparasite loads. Contrary to our expectations, endoparasite loads are not linked to fruit scarcity and consequent changes in feeding behavior. Nevertheless, we found higher parasite diversity in the group of golden-headed lion tamarins that occupied the smallest home range. The smaller the area available, the greater the contact with parasites the animal will have, as they are forced to travel constantly along the same routes in the forest, increasing infection risk and re-infection rates. Our results highlight how animals' health is associated with environmental health as well as the need for constant monitoring to ensure the effective conservation of endangered species, such as the golden-headed lion tamarin.
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