Frederico Lemos

Prof. Dr. Frederico Lemos

orcid

Research Focus & Metrics

Academic Career Length

20Years (2007-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
16 April 2018 in Journal of Zoology
Verified
Journal Article
Open access
PDF file
FAF. C. Azevedo
F. C. Azevedo
FLFrederico Lemos
Frederico Lemos
MFM. C. Freitas‐Junior
M. C. Freitas‐Junior
DRD. G. Rocha
D. G. Rocha
FAF. C. C. Azevedo
F. C. C. Azevedo
Animal activity patterns correspond to the individual diel cycle time and is an important attribute of species coexistence in ecological communities. However, activity patterns of most Neotropical species are still poorly understood. Based on an 8‐year camera‐trapping survey conducted between 2009 and 2017, we evaluated puma (Puma concolor) activity patterns in a human‐modified landscape in Southeastern Brazil. Our objectives were to determine the activity pattern of pumas and to verify the influence of main prey species and anthropogenic factors on their behavior. We categorized activity patterns of all assessed species based on the proportion of independent records during night and day times. We tested for sex differences in activity patterns of pumas, and measured their overlap with most consumed prey, people, cattle and domestic dogs. Our results suggested that males engaged in mostly nocturnal behavior while females were active both at night and day hours. Pumas exhibited higher coefficient of overlapping with prey species that were most often included in their diet, suggesting that prey availability might influence puma activity or that pumas opportunistically prey upon species with similar activity pattern. Female pumas seem to be more exposed to anthropogenic threats due to higher activity pattern overlap with people and domestic dogs. Our findings provide insights into puma‐prey temporal behavior, highlighting the relevance of intrasexual dissimilarity in the activity patterns of a top predator living in a disturbed landscape.

4 July 2013 in PLOS ONE
Verified
Journal Article
Open access
PDF file
FRFabiana Lopes Rocha
Fabiana Lopes Rocha
ARAndré Luiz Rodrigues Roque
André Luiz Rodrigues Roque
JLJuliane Saab de Lima
Juliane Saab de Lima
CCCarolina Carvalho Cheida
Carolina Carvalho Cheida
FLFrederico Lemos
Frederico Lemos
Ana Maria JansenAna Maria Jansen
Ana Maria Jansen
Little is known on the role played by Neotropical wild carnivores in the Trypanosoma cruzi transmission cycles. We investigated T. cruzi infection in wild carnivores from three sites in Brazil through parasitological and serological tests. The seven carnivore species examined were infected by T. cruzi, but high parasitemias detectable by hemoculture were found only in two Procyonidae species. Genotyping by Mini-exon gene, PCR-RFLP (1f8/Akw21I) and kDNA genomic targets revealed that the raccoon (Procyon cancrivorus) harbored TcI and the coatis (Nasua nasua) harbored TcI, TcII, TcIII-IV and Trypanosoma rangeli, in single and mixed infections, besides four T. cruzi isolates that displayed odd band patterns in the Mini-exon assay. These findings corroborate the coati can be a bioaccumulator of T. cruzi Discrete Typing Units (DTU) and may act as a transmission hub, a connection point joining sylvatic transmission cycles within terrestrial and arboreal mammals and vectors. Also, the odd band patterns observed in coatis’ isolates reinforce that T. cruzi diversity might be much higher than currently acknowledged. Additionally, we assembled our data with T. cruzi infection on Neotropical carnivores’ literature records to provide a comprehensive analysis of the infection patterns among distinct carnivore species, especially considering their ecological traits and phylogeny. Altogether, fifteen Neotropical carnivore species were found naturally infected by T. cruzi. Species diet was associated with T. cruzi infection rates, supporting the hypothesis that predator-prey links are important mechanisms for T. cruzi maintenance and dispersion in the wild. Distinct T. cruzi infection patterns across carnivore species and study sites were notable. Musteloidea species consistently exhibit high parasitemias in different studies which indicate their high infectivity potential. Mesocarnivores that feed on both invertebrates and mammals, including the coati, a host that can be bioaccumulator of T. cruzi DTU’s, seem to take place at the top of the T. cruzi transmission chain.

9 May 2019 in PLOS ONE
Verified
Journal Article
Open access
PDF file
MHM. P. G. Hofman
M. P. G. Hofman
MHM. W. Hayward
M. W. Hayward
MHM. Heim
M. Heim
PMP. Marchand
P. Marchand
CRC. M. Rolandsen
C. M. Rolandsen
NBN. Balkenhol
N. Balkenhol
Satellite telemetry is an increasingly utilized technology in wildlife research, and current devices can track individual animal movements at unprecedented spatial and temporal resolutions. However, as we enter the golden age of satellite telemetry, we need an in-depth understanding of the main technological, species-specific and environmental factors that determine the success and failure of satellite tracking devices across species and habitats. Here, we assess the relative influence of such factors on the ability of satellite telemetry units to provide the expected amount and quality of data by analyzing data from over 3,000 devices deployed on 62 terrestrial species in 167 projects worldwide. We evaluate the success rate in obtaining GPS fixes as well as in transferring these fixes to the user and we evaluate failure rates. Average fix success and data transfer rates were high and were generally better predicted by species and unit characteristics, while environmental characteristics influenced the variability of performance. However, 48% of the unit deployments ended prematurely, half of them due to technical failure. Nonetheless, this study shows that the performance of satellite telemetry applications has shown improvements over time, and based on our findings, we provide further recommendations for both users and manufacturers.

23 April 2019 in Ecology
Verified
Journal Article
Open access
PDF file
PSPaloma Marques Santos
Paloma Marques Santos
ABAdriana Bocchiglieri
Adriana Bocchiglieri
Adriano Garcia ChiarelloAdriano Garcia Chiarello
Adriano Garcia Chiarello
APAdriano Paglia
Adriano Paglia
AMAdryelle Moreira
Adryelle Moreira
MGMauro Galetti
Mauro Galetti
Xenarthrans—anteaters, sloths, and armadillos—have essential functions for ecosystem maintenance, such as insect control and nutrient cycling, playing key roles as ecosystem engineers. Because of habitat loss and fragmentation, hunting pressure, and conflicts with domestic dogs, these species have been threatened locally, regionally, or even across their full distribution ranges. The Neotropics harbor 21 species of armadillos, 10 anteaters, and 6 sloths. Our data set includes the families Chlamyphoridae (13), Dasypodidae (7), Myrmecophagidae (3), Bradypodidae (4), and Megalonychidae (2). We have no occurrence data on Dasypus pilosus (Dasypodidae). Regarding Cyclopedidae, until recently, only one species was recognized, but new genetic studies have revealed that the group is represented by seven species. In this data paper, we compiled a total of 42,528 records of 31 species, represented by occurrence and quantitative data, totaling 24,847 unique georeferenced records. The geographic range is from the southern United States, Mexico, and Caribbean countries at the northern portion of the Neotropics, to the austral distribution in Argentina, Paraguay, Chile, and Uruguay. Regarding anteaters, Myrmecophaga tridactyla has the most records (n = 5,941), and Cyclopes sp. have the fewest (n = 240). The armadillo species with the most data is Dasypus novemcinctus (n = 11,588), and the fewest data are recorded for Calyptophractus retusus (n = 33). With regard to sloth species, Bradypus variegatus has the most records (n = 962), and Bradypus pygmaeus has the fewest (n = 12). Our main objective with Neotropical Xenarthrans is to make occurrence and quantitative data available to facilitate more ecological research, particularly if we integrate the xenarthran data with other data sets of Neotropical Series that will become available very soon (i.e., Neotropical Carnivores, Neotropical Invasive Mammals, and Neotropical Hunters and Dogs). Therefore, studies on trophic cascades, hunting pressure, habitat loss, fragmentation effects, species invasion, and climate change effects will be possible with the Neotropical Xenarthrans data set. Please cite this data paper when using its data in publications. We also request that researchers and teachers inform us of how they are using these data.

30 August 2020 in Ecology
Verified
Journal Article
Open access
PDF file
MNMariana Nagy‐Reis
Mariana Nagy‐Reis
JOJulia Oshima
Julia Oshima
CKClaudia Zukeran Kanda
Claudia Zukeran Kanda
FPFrancesca Belem Lopes Palmeira
Francesca Belem Lopes Palmeira
FMFabiano Rodrigues de Melo
Fabiano Rodrigues de Melo
ACANA COR
ANA COR
Mammalian carnivores are considered a key group in maintaining ecological health and can indicate potential ecological integrity in landscapes where they occur. Carnivores also hold high conservation value and their habitat requirements can guide management and conservation plans. The order Carnivora has 84 species from 8 families in the Neotropical region: Canidae; Felidae; Mephitidae; Mustelidae; Otariidae; Phocidae; Procyonidae; and Ursidae. Herein, we include published and unpublished data on native terrestrial Neotropical carnivores (Canidae; Felidae; Mephitidae; Mustelidae; Procyonidae; and Ursidae). NEOTROPICAL CARNIVORES is a publicly available data set that includes 99,605 data entries from 35,511 unique georeferenced coordinates. Detection/non‐detection and quantitative data were obtained from 1818 to 2018 by researchers, governmental agencies, non‐governmental organizations, and private consultants. Data were collected using several methods including camera trapping, museum collections, roadkill, line transect, and opportunistic records. Literature (peer‐reviewed and grey literature) from Portuguese, Spanish and English were incorporated in this compilation. Most of the data set consists of detection data entries (n = 79,343; 79.7%) but also includes non‐detection data (n = 20,262; 20.3%). Of those, 43.3% also include count data (n = 43,151). The information available in NEOTROPICAL CARNIVORES will contribute to macroecological, ecological, and conservation questions in multiple spatio‐temporal perspectives. As carnivores play key roles in trophic interactions, a better understanding of their distribution and habitat requirements are essential to establish conservation management plans and safeguard the future ecological health of Neotropical ecosystems. Our data paper, combined with other large‐scale data sets, has great potential to clarify species distribution and related ecological processes within the Neotropics. There are no copyright restrictions and no restriction for using data from this data paper, as long as the data paper is cited as the source of the information used. We also request that users inform us of how they intend to use the data.

1 October 2010 in Check List
Verified
Journal Article
Open access
PDF file
EBEmilio M. Bruna
Emilio M. Bruna
JGJuliane Fernandes Guimarães
Juliane Fernandes Guimarães
CLCauê T. Lopes
Cauê T. Lopes
PDPolyanna Duarte
Polyanna Duarte
AGAna Cláudia Lemos Gomes
Ana Cláudia Lemos Gomes
HVHeraldo L. Vasconcelos
Heraldo L. Vasconcelos
We present a species list of the mammals of the Estação Ecológica do Panga, a 404 ha Cerrado reserve in Minas Gerais state, Brazil. Using methods ranging from camera traps to direct observations, we documented 46 species in the reserve. Among medium and large-sized mammals, the order Carnivora was the most commonly observed (N=12 species). The highest relative frequencies of observation were of Mazama guazoubira and Cerdocyon thous. Pecari tajacu was the most frequent species in camera traps. Over the course of 7320 trap nights there were 105 captures of small mammals from seven species, with an overall capture rate of 1.6 %. The highest capture rates were for the marsupial Gracilinanus agilis, with Calomys tener the most commonly caught rodent. Our survey suggests that many of the Cerrado’s mammal species can persist in landscapes that are a mosaic of natural areas and some types of agriculture.