Characterization and Habitat Preferences by White-Tailed Deer in Mexico

Bello, Joaquin; Gallina, Sonia; Equihua, Miguel

doi:10.2307/4003582

Cited by 19 publications

(21 citation statements)

References 15 publications

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“…It has also been reported that distances in excess of 1.6 km are considered inadequate for the species [19]. However, it is important to take water availability into account when evaluating whether habitat is appropriate for the species [13,18], particularly in places where the dry season is as marked as it is in the tropical dry forest of the TCBR. During periods of water shortage, it has been found that the white-tailed deer complements its water intake by ingesting certain wild plants and fruits [56,57].…”

Section: Discussionmentioning

confidence: 99%

“…The marked seasonality of this forest affects the availability of food, water and cover [10,11]. Because cover and tree density provide protection against extreme temperatures and potential predators, transformation of these factors can have an effect on deer population density [12,13]. In addition, anthropic pressure factors such as settlements, roads, agricultural activity and hunting, among others, are likely to have a negative effect on deer populations [14].…”

Section: Introductionmentioning

confidence: 99%

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Habitat and Human Factors Associated with White-Tailed Deer Density in the Tropical Dry Forest of Tehuacán-Cuicatlán Biosphere Reserve, Mexico

Ramos‐Robles

Gallina

Mandujano

2013

Tropical Conservation Science

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The main objective of this study was to analyze the relationship between population densities of the white-tailed deer Odocoileus virginianus and certain habitat and human characteristics in the tropical dry forest of the Tehuacan-Cuicatlan Biosphere Reserve (TCBR), Mexico. To estimate population density and characterize the habitat, we established 32 strip transects (500 x 2 m) at four different locations in the TCBR from May to June during the dry season of 2010. Principal component analyses were used to order the 32 transects using habitat/human impact variables and tree species composition. Estimated average density was 1.7 deer/km 2 , ranging from 0.1 to 2.9 deer/km 2 . The variables associated with white-tailed deer density were: basal area, distance to roads, distance to the area with largest human population, slope, aspect and presence of cattle; the principal plant species were Zapotillo (Lantana camara), Chintoborrego (Vallesia glabra), Nanche (Bunchosia biocellata), Cuachalalate (Amphipterigyum adstringens) and Cuajiote Amarillo (Bursera aptera). Compared to other tropical dry forests, estimated white-tailed deer densities in the TCBR were lower. We discuss the possible effect of these variables on deer density and suggest management actions.Key Word: Odocoileus virginianus, pellet-groups count, human influence, management. ResumenEl objetivo principal de este estudio fue analizar la relación entre la densidad poblacional del venado cola blanca Odocoileus virginianus con algunas características del hábitat en el bosque tropical seco de la Reserva de la Biosfera de Tehuacán-Cuicatlán (TCBR), México. Para estimar la densidad y caracterizar el hábitat, se colocaron 32 transectos de franja (500 x 2 m) en cuatro diferentes localidades de la TCRB de mayo a junio de 2010. Se llevaron a cabo análisis de componentes principales para ordenar los 32 transectos conforme a las variables del hábitat, impacto humano y su composición vegetal. La densidad promedio fue de 1.7 venados/km 2 , con una variación entre de 0.1 a 2.9 venados/km 2 . Las variables relacionadas con la densidad del venado fueron el área basal, la distancia a caminos, la distancia a la localidad con mayor número de habitantes, la orientación y la presencia de ganado. En las localidades con mayor densidad de venados las plantas dominantes fueron Zapotillo (Lantana camara) Chintoborrego (Vallesia glabra), Nanche (Bunchosia biocellata, Cuachalalate (Amphipterigyum adstringens) y Cuajiote Amarillo (Bursera aptera). Comparado con otros bosques tropicales, las densidades estimadas en la TCBR fueron menores. Se discute el posible efecto de estas variables sobre la densidad del venado y se sugieren algunas acciones de manejo.Palabras clave: Odocoileus virginianus, conteo de grupos fecales, influencia humana, manejo.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Habitat and Human Factors Associated with White-Tailed Deer Density in the Tropical Dry Forest of Tehuacán-Cuicatlán Biosphere Reserve, Mexico

Ramos‐Robles

Gallina

Mandujano

2013

Tropical Conservation Science

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“…La fitomasa potencial se recolectó en los marcos de muestreo de 1 m² previamente establecidos, con fines de describir detalladamente el potencial forrajero de los estratos de las comunidades vegetales. Se consideró fitomasa potencial aquella que estuvo al alcance de los animales (Bello et al, 2001). Para su muestreo se defoliaron manualmente follaje, frutos, flores y tallos tiernos encontrados dentro de los marcos de 1om 2 previamente establecidos y a una altura entre 5 y 170ocm.…”

Section: Fitomasa Potencialunclassified

“…The potential phytomass was collected in the sampling frames of 1 m 2 previously established, with the objective of describing in detail the fodder potential of the plant community strata. The potential phytomass which was in reach of the animals was considered (Bello et al, 2001). For their sampling, fodder, fruits, flowers and tender stems were defoliated manually within the 1 m 2 frames previously established and at a height of between 5 and 170 cm.…”

Section: Potential Phytomassmentioning

confidence: 99%

Dominancia, composición química-nutritiva de especies forrajeras y fitomasa potencial en una selva secundaria

Galindo

Rebeles

López-Ortíz

et al. 2017

ASYD

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ResumenSe determinó la relación entre abundancia, dominancia y similitud de especies forrajeras con la calidad nutritiva y cantidad de fitomasa potencial para la alimentación de bovinos en sitios con vegetación forestal, arbustiva y herbácea en la época seca y la lluvia. Se encontraron 54 especies forrajeras agrupadas en 21 familias (dominando Fabacea). La abundancia de leñosas forrajeras fue mayor en temporada de lluvias en la comunidad forestal (p<0.0001; 52.8±11.4) y en la de secas en la arbustiva (p=0.002; 14.80±3.09). La similitud entre comunidades varió de 0.27 a 0.54. Las especies forrajeras dominantes de la comunidad forestal en lluvias presentaron altos valores nutricionales, degradabilidad ruminal (65.9-89.0 %) y energía metabolizable (9.35-11.52 MJ/kg MS). El mayor contenido de taninos fue en Bauhinia divaricata (12.75 %). La fitomasa potencial rindió 3272 y 1454 kg MS/ha en lluvias y secas, respectivamente, y fue mayor en herbáceas (P<0.0001; 3977±2299 y 2451±3336, respectivamente). Se encontró una gran diversidad de especies forrajeras, diferentes en cada comunidad vegetal, y que difieren en calidad químico-nutritiva. En su conjunto, la fitomasa potencial de todos los estratos y la variedad de nutrientes que las especies contienen se complementan para alimentar bovinos a lo largo del año.Palabras clave: nutrientes, diversidad, vegetación nativa, bovinos. AbstRActThe relationship between abundance, dominance and similarity of fodder species with the nutritional quality and quantity of potential phytomass for feeding bovines was determined, in sites with forest, shrub and herbaceous vegetation in dry and rain season. Fifty-four (54) fodder species were found grouped into 21 families (with Fabacea dominating). The abundance of woody fodder was higher in the rain season in the forest community (p<0.0001; 52.8±11.4) and in the dry season in the shrub community (p=0.002; 14.80±3.09). The similarity between communities varied from 0.27 to 0.54. The dominating fodder species of the forest community in the rain season presented high nutritional values, ruminal degradability (65.9-89.0 %) and metabolizable energy (9.35-11.52 MJ/kg DM). The highest content of tannins was in Bauhinia divaricata (12.75 %). The potential phytomass yielded 3272 and 1454 kg DM/ha in the rain and dry seasons, respectively, and was higher in herbs (P<0.0001; 3977±2299 and 2451±3336, respectively). A large diversity of fodder species was found, different in each plant community, and which differ in chemical-nutritional quality. As a whole, the potential phytomass of all the strata and the variety of nutrients that the species contain complement each other to feed bovines throughout the year.

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“…In northeastern Mexico, a number of studies have compared the behavior of males and females of the subspecies O. v. texanus , by analyzing the use of habitat between years, sexes and reproductive periods (Bello et al 2001a, home range (Bello et al 2001b), movements in relation to precipitation (Bello et al 2004), distances traveled (Bello et al 2006), energy expenditure (Gallina and Bello 2010), and activity (Gallina and Bello 2014). The current knowledge about pregnancy and fawning is limited.…”

Section: Introductionmentioning

confidence: 99%

Home-range analyses and habitat use by white-tailed deer females during the breeding season

Soto-Werschitz

Mandujano

Gallina

2018

Therya

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There is little knowledge about the behavior strategies used by white-tailed deer (Odocoileus virginianus texanus) females with fawns. This study analyzed the variation in home range and the use of vegetation types by eight females during the breeding season in a brushland in northeastern Mexico and compared the strategies of females with and without fawns. Eight females were captured and radiotelemetry collars were fitted to them. We sampled two to three 24-hour cycles at 1-hour intervals monthly from April to October 1997 and 1998. In 1997 all females had fawns, whereas in 1998 some of these females had no fawns. This allowed comparing the strategies of females with and without offspring. The home range was significantly larger in females with fawns. In particular, no monthly variations in the home range were observed when females had fawns, while the home range was larger in August in females without fawns. Females preferred two of the seven habitat types (plant associations) studied, the ones dominated by Acacia-Prosopis and by Leucophyllum frutescens. Monthly variations were noted in both home-range size and use of plant associations when females were raising fawns. These data allow a better understanding of the behavioral strategies of females, which may contribute to the development of management strategies.Se conoce poco acerca de las estrategias conductuales que emplean las hembras de venado cola blanca Odocoileus virginianus texanus con crías. En este estudio se analizó la variación del tamaño de ámbito hogareño y el uso de asociaciones vegetales de hembras durante la época de crianza en un matorral xerófilo del noreste de México y se hicieron comparaciones entre hembras con y sin crías. Se utilizó la técnica de radiotelemetría para registrar los movimientos de ocho hembras capturadas, realizando dos a tres ciclos de 24 horas (localizaciones cada hora), mensuales de abril a octubre de 1997 y 1998. Además se comparó el comportamiento entre hembras con crías (1997) y hembras sin crías (1998). El ámbito hogareño fue significativamente mayor en las hembras con crías. No hubo variación mensual en el ámbito hogareño cuando las hembras tuvieron crías, mientras que en el mes de agosto el ámbito fue mayor en las hembras sin crías. De las siete asociaciones vegetales, todas las hembras tuvieron preferencias por dos, las dominadas por Acacia-Prosopis y Leucophyllum frutescens. Se observó variación mensual en el tamaño del ámbito hogareño y en el uso de las asociaciones vegetales cuando las hembras de venado cola blanca están criando. Estos datos permiten conocer mejor las estrategias exitosas de reclutamiento de nuevos individuos a las poblaciones de venados, lo cual puede ayudar a desarrollar estrategias de manejo.

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Characterization and Habitat Preferences by White-Tailed Deer in Mexico

Cited by 19 publications

References 15 publications

Habitat and Human Factors Associated with White-Tailed Deer Density in the Tropical Dry Forest of Tehuacán-Cuicatlán Biosphere Reserve, Mexico

Habitat and Human Factors Associated with White-Tailed Deer Density in the Tropical Dry Forest of Tehuacán-Cuicatlán Biosphere Reserve, Mexico

Dominancia, composición química-nutritiva de especies forrajeras y fitomasa potencial en una selva secundaria

Home-range analyses and habitat use by white-tailed deer females during the breeding season

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