Poblaciones reproductivas de aves playeras en humedales del noroeste mexicano

Carmona, Roberto; Ayala-Pérez, Víctor; Hernández-Alvarez, Adriana; Mendoza, Luis F.; Marrón, Gerardo; Arce, Nallely; Vidal, Sharin; Danemann, Gustavo D.

doi:10.28947/hrmo.2020.21.2.506

Cited by 1 publication

(1 citation statement)

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“…González-Salazar et al [ 30 , 40 ] proposed a classification of FG of an important fraction of species of birds and mammals occurring in Mexico. Our study extended their proposal by including a complete list of species of these taxonomic groups occurring in Mexico, adding coastal and freshwater species, such as shorebirds, which represent one of the most abundant group of species [ 71 ]. Furthermore, we rearranged FG to include locomotion, seasonality and body size to adequately categorize species according to their trophic function and ecological traits, such as the use of food resources, how species move to obtain their food, habitat use, the flow of matter and energy in ecosystems, and spatiotemporal segregation.…”

Section: Discussionmentioning

confidence: 99%

Classification and distribution of functional groups of birds and mammals in Mexico

Mayani-Parás,

Moreno,

Escalona-Segura

et al. 2023

PLoS ONE

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There has been a recent exponential growth in the study of functional trait ecology. Nonetheless, the study of functional traits and functional groups has been limited for terrestrial vertebrates. We conducted a classification update of functional groups (FG) of birds and mammals in Mexico, and determined the distribution patterns of FG species richness in different ecosystems nationwide. We selected six functional traits (feeding habit, locomotion, feeding substrate and technique, activity period, seasonality, and body size) obtained for 987 and 496 species of birds and mammals, respectively. A cophenetic correlation analyses resulted in values of 0.82 for the bird species dendrogram, and 0.79 for the mammal species dendrogram showing that the structures adequately reflected the similarity between observations. We obtained 52 FG for birds, assembled into 9 broader groups based on their feeding habits (16 invertivores, 6 carnivores: 5 herbivores, 9 aquatic vertivore/invertivore, 5 granivores, 1 scavenger, 3 nectarivores, 4 frugivores, and 3 omnivores). We obtained 35 FG for mammals, assembled into 9 broader groups based on their feeding habits (4 granivores, 10 herbivores, 1 nectarivore, 4 frugivores, 8 invertivores, 3 omnivores, 2 aquatic vertivore/invertivore, 1 hematophagous, and 2 carnivores). Overall, the distribution of FG species richness for birds and mammals gradually increased from the Nearctic to the Neotropical region, following a typical latitudinal species richness pattern. Few FG of migratory birds, and FG of granivore and herbivore mammals showed more species in the Nearctic and in the transitional regions. Our study provides a baseline for identifying ecological functions of species of birds and mammals in different ecosystems in Mexico, and contributes to understand the relationship between species diversity, community structure and ecosystem functioning. Identifying spatial patterns of functional trait diversity is important as biodiversity loss has a negative impact on ecosystem functioning and provision of environmental services.

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Section: Discussionmentioning

confidence: 99%