Riparian Mesquite bushes are important for bird conservation in tropical arid Mexico

Arizmendi, Ma. del Coro; Dávila, Patricia; Estrada, Alejandro; Figueroa, Enrique; Márquez-Valdelamar, Laura; Lira, Rafael; Oliveros-Galindo, Oswaldo; Valiente‐Banuet, Alfonso

doi:10.1016/j.jaridenv.2007.12.017

Cited by 13 publications

(14 citation statements)

References 22 publications

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“…, Arizmendi et al . ). Direct observation of habitat use by animals is a time‐consuming method that demands a large investment of resources to describe long‐term patterns.…”

Section: Discussionmentioning

confidence: 97%

“…We do not discard the possibility, however, that future d 13 C work reveals that energy derived from CAM plants is important for some species of birds or bats that eat cactus fruits. VEGETATION TYPES AND BAT AND BIRD CONSERVATION.-The Tehuacán valley is outstanding for its high levels of biodiversity and endemism (Dávila et al 2002, Téllez et al 2010, and previous work has described the type of vegetation associated with the presence of animal species based on direct observations (Canseco 1996, Dávila et al 2002, Arizmendi et al 2008. Direct observation of habitat use by animals is a time-consuming method that demands a large investment of resources to describe long-term patterns.…”

Section: Discussionmentioning

confidence: 99%

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Asymmetric Contribution of Isotopically Contrasting Food Sources to Vertebrate Consumers in a Subtropical Semi‐arid Ecosystem

Galindo

López

2013

Biotropica

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Habitat heterogeneity is a primary ecological factor that is particularly pronounced in arid ecosystems. The Tehuacán valley is a subtropical semi‐arid ecosystem in which several species of columnar cacti and agave (i.e., CAM plants) constitute the dominant elements accompanied by patches of trees and shrubs (i.e., C3 plants). Vegetation in Tehuacán is isotopically heterogenous because CAM plants have less depleted δ13C values than C3 plants. Fruits and flowers of cactus and agaves offer abundant food to vertebrates, but their leaves might be less attractive to insects than the leaves of C3 plants. Therefore, we use carbon and nitrogen stable isotope analysis to test the hypothesis that C3 and CAM food would contribute asymmetrically to different guilds of birds and bats. We predict that granivorous and frugivorous birds and nectarivorous and frugivorous bats will consume a CAM diet, whereas insectivorous birds and bats will consume a C3 diet. Due to omnivory of bird and bat consumers, we predict that the importance of CAM food will decrease as the trophic level of the animal increases. Our results showed that CAM food predominated in plant‐eating birds and in some flower‐visiting bats, whereas C3 food predominated in insect‐eating bats and birds and frugivorous bats. Habitat heterogeneity in Tehuacán is important for conservation due to the asymmetric role of CAM and C3 food in the nutrition of different feeding guilds of vertebrates. Our study provides basic information to evaluate the potential impact of habitat loss on functional groups of consumers in a semi‐arid ecosystem.

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“…, Arizmendi et al . ). Direct observation of habitat use by animals is a time‐consuming method that demands a large investment of resources to describe long‐term patterns.…”

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Asymmetric Contribution of Isotopically Contrasting Food Sources to Vertebrate Consumers in a Subtropical Semi‐arid Ecosystem

Galindo

López

2013

Biotropica

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“…Sand mining have contributed threat to some extent for the disappearance of native species, as it obstructs the flow of surface water by altering the channel morphology. Decline in the native riparian species has a major affect on the avian species richness and its diversity located in the study area (VillasenorGomez 2006;Arizmendi et al 2008;HinojosaHuerta 2006;Edward et al 2008).…”

Section: Discussionmentioning

confidence: 99%

Riparian vegetation assessment of Cauvery River Basin of South India

Sunil

Somashekar

Nagaraja

2009

Environ Monit Assess

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The Cauvery river basin of South India has a large phyto-floristic wealth, rightfully enough to constitute a separate phyto-geographic unit. Increase in the anthropogenic pressures within the river basin and surrounding landscapes have persistently stressed the riparian ecosystem structure adversely, besides altering its composition. The objective of this study was to examine the present status of riparian vegetation along the Cauvery river basin, in response to anthropogenic pressures. For vegetation analysis, the riparian forest coming in the middle stretch of Cauvery river was categorized into two zones, viz., forest zone covering ~54 km stretch and agroecosystem zone covering ~80 km stretch. In each zone, tree species were quantified using transects at 8-km interval. Overall tree species accounting for both forest and agroecosystem were recorded and compared. The results indicate that the mean density and basal area of trees per plot were higher in the forest zone than agroecosystem zone. The Shannon-Weiner diversity of forest zone is 4.6, which is higher than agroecosystem. In addition, species composition indicated a relatively low or poor similarity between the two zones. The vegetation density and site disturbance scores for all the study sites reveals that sand mining and grazing areas have exerted negative impact on riparian forest. The results of the present study clearly brought out the need for preparing and implementing site-specific conservation plans for riparian ecosystem.

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“…Riparian landscapes are susceptible to such species due to the frequency of natural disturbances which allow invasive species to propagate and establish along with the mobility provided by flowing water and the connectivity provided by riparian corridors (Verry et al 2000;Sunil et al, 2016 Over-utilization of riparian zones for agricultural activities including banana plantation and paddy rice cultivation have led to a decline in evergreen species such as Jatropha curcus, Homonoia riparia and Tarenna asiatica, etc., . Several studies have demonstrated that a decline in native riparian species negatively affects the richness and diversity of avian species in the study area (HinojosaHuerta 2006;Villasenor-Gomez 2006;Arizmendi et al 2008;Edward et al 2008). …”

Section: Resultsmentioning

confidence: 99%

Riparian Vegetation of River Bhavani, Pillur Beat, Karamadai Range, Western Ghats – An Intensive Assessment

Dhivya¹,

Kalaichelvi²

2017

Int. J. Curr. Res. Biosci. Plant Biol.

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with frequent field visits in the study area. A total of 112 plant species belonging to 72 genera of 43 families were reported in the study area, of which trees ranked first with 49 species. Leaves were most frequently used plant part for the treatment of diseases. Terminalia arjuna and Pongamia glabra were the dominant tree species. The results of the present study clearly brought out the need for preparing and implementing site-specific conservation plans for riparian ecosystem.

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Riparian Mesquite bushes are important for bird conservation in tropical arid Mexico

Cited by 13 publications

References 22 publications

Asymmetric Contribution of Isotopically Contrasting Food Sources to Vertebrate Consumers in a Subtropical Semi‐arid Ecosystem

Asymmetric Contribution of Isotopically Contrasting Food Sources to Vertebrate Consumers in a Subtropical Semi‐arid Ecosystem

Riparian vegetation assessment of Cauvery River Basin of South India

Riparian Vegetation of River Bhavani, Pillur Beat, Karamadai Range, Western Ghats – An Intensive Assessment

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