Corn mice (<i>Calomys musculinus</i>) movement in linear habitats of agricultural ecosystems

Sommaro, Lucía V.; Gomez, Daniel Osvaldo; Bonatto, Florencia; Steinmann, Andrea R.; Chiappero, Marina B.; Priotto, José

doi:10.1644/09-mamm-a-232.1

Cited by 17 publications

(16 citation statements)

References 36 publications

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“…In Argentina, mean plot sizes of agricultural systems are larger than those of European systems (in our study, mean plot size >30 ha versus <10 ha in average in European systems, e.g. Fischer et al, 2011), fully exceeding dispersal scale of rodent species (Gomez et al, 2011;Sommaro et al, 2010). Thus, crop fields in conventional farms with scarce weed cover could not connect suitable habitats for small mammals nor provide shelter from predators; reinforcing the importance of border habitats as corridors and as source of resources for long-term survival and reproduction in these agroecosystems (Coda et al, 2014;Gomez et al, 2011;Sommaro et al, 2010).…”

Section: Discussionmentioning

confidence: 53%

“…Fischer et al, 2011), fully exceeding dispersal scale of rodent species (Gomez et al, 2011;Sommaro et al, 2010). Thus, crop fields in conventional farms with scarce weed cover could not connect suitable habitats for small mammals nor provide shelter from predators; reinforcing the importance of border habitats as corridors and as source of resources for long-term survival and reproduction in these agroecosystems (Coda et al, 2014;Gomez et al, 2011;Sommaro et al, 2010). Although, mean plot sizes of organic farms are similar to those of conventional ones, the formers could provide more resources (coverage and food) for small mammals, both in border habitat and crop fields; which could be related to the exclusion of external inputs (Coda et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

“…These lines were located parallel to border lines at 15 m within crop fields (see details in Appendix: Table A1). The minimum distance between lines was 300 m to avoid correlation between neighbouring lines and the influence of neighbouring farms (Gomez et al, 2011;Sommaro et al, 2010). Traps were baited with a mixture of peanut butter and cow fat.…”

Section: Methodsmentioning

confidence: 99%

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Small mammals in farmlands of Argentina: Responses to organic and conventional farming

Coda

Gomez

Steinmann

et al. 2015

Agriculture, Ecosystems & Environment

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Section: Discussionmentioning

confidence: 53%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Small mammals in farmlands of Argentina: Responses to organic and conventional farming

Coda

Gomez

Steinmann

et al. 2015

Agriculture, Ecosystems & Environment

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“…; Sommaro et al . ; Gomez et al . ) and may benefit from competition relaxation in more altered systems as conventional farms.…”

Section: Discussionmentioning

confidence: 99%

“…The minimum distance between lines was 300 m to avoid correlation between neighbouring lines and the influence of neighbouring farms (Sommaro et al . ; Gomez et al . ).…”

Section: Methodsmentioning

confidence: 99%

Small mammal responses to farming practices in central Argentinian agroecosystems: The use of hierarchical occupancy models

et al. 2018

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Organic farming is more environmentally friendly than conventional agriculture, promoting greater levels of habitat heterogeneity. Field borders could be more suitable for biodiversity in agricultural anthromes. Small mammals are crucial in these anthromes due to their contribution to food webs and seed consumption. We used hierarchical multi-season occupancy models to assess the effect of organic versus conventional farming on multiple small mammal species in agricultural anthromes of central Argentina. We modelled detectability and increased precision of estimates, overcoming deficiencies of previous studies. Small mammals were seasonally surveyed in 70 field borders (conventional) and 63 (organic) during two years. We were able to include less frequent specialist species, detecting a positive relationship with organic management possibly because of higher habitat quality of borders. Vegetation volume was the most important explanatory variable in both managements. Species' richness was greater under organic management mainly in spring when the habitat quality differences with conventional management were the greatest. Spring is key for the rodent assemblage because of the beginning of reproductive period, when resource demand is important. We suggest that maintaining high quality border habitats, as those supported by organic management, could allow farmers to obtain economic profit while also contributing to biodiversity conservation. Considering the positive role that native rodents may have in some agricultural anthromes, the maintenance of high population numbers may be important for biodiversity conservation. The approach used in this study shows the importance of modelling imperfect detection, reducing bias in parameter estimates, and it should be implemented in similar studies.

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Effects of agroecosystem landscape complexity on small mammals: a multi-species approach at different spatial scales

2019

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Corn mice (Calomys musculinus) movement in linear habitats of agricultural ecosystems

Cited by 17 publications

References 36 publications

Small mammals in farmlands of Argentina: Responses to organic and conventional farming

Small mammals in farmlands of Argentina: Responses to organic and conventional farming

Small mammal responses to farming practices in central Argentinian agroecosystems: The use of hierarchical occupancy models

Effects of agroecosystem landscape complexity on small mammals: a multi-species approach at different spatial scales

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