Comparative study of Spanish and Italian terrestrial small mammal coenoses from different biotopes in Mediterranean peninsular tip regions

Cagnin, Mara; Moreno, Sacramento; Aloise, Gaetano; Garofalo, Germana; Villafuerte, Rafael; Gaona, Pilar; Cristaldi, M.

doi:10.1046/j.1365-2699.1998.00248.x

Cited by 30 publications

(22 citation statements)

References 17 publications

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“…Since Simpson [1] first proposed the peninsula effect, it has been investigated in more than 80 studies (see [6] for a full review), which encompassed a range of geographic regions [7, 8, 9, 10], taxa, [11, 12] and peninsula types (continental and habitat peninsulas; [11, 13]. However, when reviewing a subset of these, Jenkins & Rinne [14] found that the peninsula effect only explained species richness trends in about half the cases (18 out of 37).…”

Section: Introductionmentioning

confidence: 99%

Pattern or process? Evaluating the peninsula effect as a determinant of species richness in coastal dune forests

2017

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The peninsula effect predicts that the number of species should decline from the base of a peninsula to the tip. However, evidence for the peninsula effect is ambiguous, as different analytical methods, study taxa, and variations in local habitat or regional climatic conditions influence conclusions on its presence. We address this uncertainty by using two analytical methods to investigate the peninsula effect in three taxa that occupy different trophic levels: trees, millipedes, and birds. We surveyed 81 tree quadrants, 102 millipede transects, and 152 bird points within 150 km of coastal dune forest that resemble a habitat peninsula along the northeast coast of South Africa. We then used spatial (trend surface analyses) and non-spatial regressions (generalized linear mixed models) to test for the presence of the peninsula effect in each of the three taxa. We also used linear mixed models to test if climate (temperature and precipitation) and/or local habitat conditions (water availability associated with topography and landscape structural variables) could explain gradients in species richness. Non-spatial models suggest that the peninsula effect was present in all three taxa. However, spatial models indicated that only bird species richness declined from the peninsula base to the peninsula tip. Millipede species richness increased near the centre of the peninsula, while tree species richness increased near the tip. Local habitat conditions explained species richness patterns of birds and trees, but not of millipedes, regardless of model type. Our study highlights the idiosyncrasies associated with the peninsula effect—conclusions on the presence of the peninsula effect depend on the analytical methods used and the taxon studied. The peninsula effect might therefore be better suited to describe a species richness pattern where the number of species decline from a broader habitat base to a narrow tip, rather than a process that drives species richness.

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Section: Introductionmentioning

confidence: 99%

Pattern or process? Evaluating the peninsula effect as a determinant of species richness in coastal dune forests

2017

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“…Como es de esperar por la situación geográfica de Doñana, la comunidad de micromamíferos se caracteriza por una diversidad específica relativamente baja (Cagnin et al 1998). A pesar de ello, y de las lagunas temporales de datos, nuestros resultados reflejan claramente una pérdida importante de diversidad y un llamativo empobrecimiento de la comunidad, tal y como se había sugerido en un estudio reciente (Moreno & Rouco 2013).…”

Section: Discussionunclassified

Pérdida de diversidad en la comunidad de micromamíferos del Parque Nacional de Doñana durante las últimas cuatro décadas

Moreno

Palomo

Fernández

et al. 2016

Galemys

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En este estudio se presentan los cambios acaecidos a partir de 1978 en la comunidad de micromamíferos de Doñana, y su posible relación con los cambios climáticos locales registrados. Los datos fueron obtenidos mediante técnicas de captura, marcaje y recaptura durante un total de 16 años, distribuidos a lo largo de las últimas cuatro décadas. Los resultados obtenidos reflejan claramente una pérdida importante de diversidad y un empobrecimiento de la comunidad de micromamíferos, con la práctica desaparición de Eliomys quercinus y Rattus rattus, la disminución acentuada de Apodemus sylvaticus y el progresivo dominio de Mus spretus, lo que constituye un proceso preocupante, ya que los micromamíferos constituyen, tras el conejo, el grupo de presas más consumida por carnívoros y rapaces de Doñana. Los cambios detectados podrían tener una cierta relación causal con el progresivo incremento de las temperaturas detectado durante el periodo de estudio en Doñana, lo que vendría avalado por el hecho de que las especies en clara regresión son las de origen euroasiático y distribución más septentrional, E. quercinus y R. rattus, mientras que la especie dominante en la actualidad, M. spretus, tiene un origen norteafricano y una distribución esencialmente mediterránea. Otra posibilidad, no excluyente, es que la extrema rarefacción del conejo puede haber provocado cambios en las relaciones interespecíficas de la comunidad de vertebrados, y que el impacto ejercido por carnívoros y rapaces ha podido desviarse progresivamente hacia las especies de menor tamaño (de conejos, a ratas y lirones) determinando una disminución gradual de su abundancia.

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“…Savi's pine vole also occurs in urban areas, but it avoids too hard, dry and rocky soil, preferring deep, moist and well‐drained soil . However, it may also inhabit sandy soils, peat, clay and soils subject to water logging .…”

Section: Savi's Pine Volementioning

confidence: 99%

“…20 Savi's pine vole also occurs in urban areas, but it avoids too hard, 8 dry and rocky soil, preferring deep, moist and well-drained soil. 23,26,27 However, it may also inhabit sandy soils, peat, clay and soils subject to water logging. 22 Savi's pine vole has a polyphasic daily activity rhythm, alternating short rest and activity periods during both day and night.…”

Section: Distribution and Habitatmentioning

confidence: 99%

From biology to management of Savi's pine vole (Microtus savii)

Ranchelli

Barfknecht

Capizzi³

et al. 2016

Pest Management Science

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Savi's pine vole (Microtus savii) is a rodent species of the Cricetidae family, inhabiting southern European agroecosystems. It is considered to be the main cause of rodent-attributed damage in Italy. To achieve an effective management, detailed knowledge of this species is needed. However, the available information about this species is fragmentary and incomplete. In this paper, the existing knowledge of Savi's pine vole taxonomy, reproduction, population dynamics, habitat and food preferences is reviewed in order to organise available information and identify priority areas of future research. Some of the changes in farming practices that have occurred in recent decades may have increased the impact of Savi's pine vole populations in crop fields. To manage this pest species effectively, an integrated strategy is recommended (involving habitat management, trapping and, when appropriate, the use of rodenticides). The apparent lack of cyclical population outbreaks and the relatively small litter size and long gestation and interpartum period of this species suggest that it could be more manageable than other vole species, while its strict herbivorous diet, stable population size in open habitats and wide distribution seem to indicate it as an ideal model species for risk assessment studies.

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Comparative study of Spanish and Italian terrestrial small mammal coenoses from different biotopes in Mediterranean peninsular tip regions

Cited by 30 publications

References 17 publications

Pattern or process? Evaluating the peninsula effect as a determinant of species richness in coastal dune forests

Pattern or process? Evaluating the peninsula effect as a determinant of species richness in coastal dune forests

Pérdida de diversidad en la comunidad de micromamíferos del Parque Nacional de Doñana durante las últimas cuatro décadas

From biology to management of Savi's pine vole (Microtus savii)

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