Influence of cattle grazing on population density and species richness of granivorous birds (Emberizidae) in the arid plain of the Monte, Argentina

Gonnet, Jorge M.

doi:10.1006/jare.2000.0777

Cited by 37 publications

(22 citation statements)

References 19 publications

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“…In contrast, ecological studies of bird assemblages from arid and semiarid lands of South America are limited. Examples include broad intercontinental comparisons based on generalizations from few samples (Orians and Solbrig, 1977;Schluter and Repasky, 1991), the influence of food shortage on local abundance of bird assemblages (Blendinger and Ojeda, 2001), studies on the seasonal fluctuation of avian populations, habitat use and bird abundance in two localities in the Monte desert (Marone, 1991(Marone, , 1992Marone et al, 1997;Blendinger and Alvarez, 2002) and Western Chaco Bucher, 1982, 1986), and the effect of livestock on bird abundance and distribution (Gonnet, 2001).…”

Section: Introductionmentioning

confidence: 97%

Abundance and diversity of small-bird assemblages in the Monte desert, Argentina

Blendinger¹

2005

Journal of Arid Environments

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Section: Introductionmentioning

confidence: 97%

Abundance and diversity of small-bird assemblages in the Monte desert, Argentina

Blendinger¹

2005

Journal of Arid Environments

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“…Las especies raras y poco comunes fueron predominantes en tér-minos proporcionales respecto a las abundantes y muy abundantes, una distribución de abundancia descrita generalmente para las comunidades animales (Tokeshi 1993). La mayoría de las especies clasificadas como "muy abundantes" fueron granívoras (e.g., colúmbidos, fringílidos y emberízidos), un gremio bien representado en los ecosistemas áridos debido a la variedad y abundancia de semillas que éstos proveen, sobre todo de pastos y leguminosas (Morton 1985, Gonnet 2001.…”

Section: Discussionunclassified

La comunidad de aves del sureste del Valle del Mezquital, México: Estructura y composición

Reséndiz-Cruz

Pérez-Montes

Navarro‐Sigüenza

2017

Huitzil Rev. Mex. Ornitol.

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ResumenDescribimos la estructura y composición de la comunidad de aves del sureste del Valle del Mezquital, una región semiárida del centro de México. Realizamos el trabajo de campo de enero a diciembre de 2013, con registros adicionales en 2014, 2015 y 2016. Registramos en total 160 especies pertenecientes a 118 géneros, 44 familias y 15 órdenes. De éstas, 98 especies fueron residentes permanentes, 48 visitantes de invierno, 11 transitorias y tres residentes de verano. De acuerdo con la abundancia, 27 fueron muy abundantes, 28 abundantes, 41 comunes, 23 poco comunes y 41 raras. Destaca el registro de siete especies endémicas de México, dos cuasiendémicas y 17 semiendémicas, así como seis especies exóticas. Además, 27 especies se encuentran bajo alguna categoría de amenaza. Los tipos de vegetación con mayor riqueza fueron el matorral espinoso-crasicaule (85 especies), el matorral submontano (77 especies) y el bosque de encino (75 especies). Por su composición de especies, el área de estudio es más similar a las regiones desérticas del suroeste de Estados Unidos y a la Reserva de la Biosfera Barranca de Metztitlán, Hidalgo, que a otras zonas áridas y semiáridas del norte y centro del país. Resaltamos la importancia biológica de la región y sugerimos incrementar el número de estudios avifaunísticos en otras partes del valle.Palabras clave: Bosque de encino, especies endémicas, especies exóticas, Estado de México, Hidalgo, matorral submontano, matorral xerófilo, regiones desérticas. AbstractWe describe the structure and the composition of the bird community in the southeastern section of Mezquital Valley, a semiarid region located in central Mexico. Fieldwork was conducted between January and December 2013, with additional records in 2014, 2015 and 2016. We recorded a total of 160 species, distributed in 118 genera, 44 families and 15 orders. Of these, 98 species were permanent residents, 48 winter visitors, 11 transients, and three summer residents. According to the abundance, 27 were very abundant, 28 abundant, 41 common, 23 uncommon, and 41 rare. We recorded seven endemic species, two quasiendemics, and 17 semiendemics, as well as six exotic species. Moreover, 27 species are under some category of threat. Vegetation types with the highest species richness were the thorn-succulent scrub (85 species), submontane scrub (77 species) and oak forest (75 species). Regarding its species composition, the study area is similar to desert regions of southwestern United States and Barranca de Metztitlán Biosphere Reserve, Hidalgo, than to other northern and central Mexican arid and semiarid areas. The biological importance of the region is highlighted, and we suggested to increase the number of ornithological research in other parts of the Mezquital Valley.Keywords: Arid scrub, arid regions, endemic species, exotic species, Hidalgo, oak forest, State of Mexico, submontane scrub. IntroducciónLos ecosistemas áridos y semiáridos, caracterizados por presentar temperaturas extremas y una escasa precipitación pluvial, ocupan casi...

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“…Little is known about this kind of response in Monte's rodents and ants, although the great ability to sequester ephemeral resources by rodents (Giannoni et al, , 2005 as well as ants (Pirk and Lopez de Casenave, 2006;Pol and Lopez de Casenave, 2004) may well be an adaptive consequence of bottom-up forces through evolutionary time. At the ecological time, bottom-up effects of seeds on birds have received more attention (Blendinger and Ojeda, 2001;Blendinger, 2005;Gonnet, 2001;Lopez de Casenave, 2001;Ló pez de Casenave et al, 2007;Marone, 1992;Milesi et al, 2002). According to Marone (1992) seed-eating birds of the central Monte are limited only occasionally by unusual periods of seed shortage.…”

Section: Granivorymentioning

confidence: 97%

Biological interactions at different spatial scales in the Monte desert of Argentina

Bertiller

Marone

Baldi

et al. 2009

Journal of Arid Environments

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Influence of cattle grazing on population density and species richness of granivorous birds (Emberizidae) in the arid plain of the Monte, Argentina

Cited by 37 publications

References 19 publications

Abundance and diversity of small-bird assemblages in the Monte desert, Argentina

Abundance and diversity of small-bird assemblages in the Monte desert, Argentina

La comunidad de aves del sureste del Valle del Mezquital, México: Estructura y composición

Biological interactions at different spatial scales in the Monte desert of Argentina

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