Abstract
Peninsular effect is an anomalous gradient in plant and animal species richness from base to tip of a given peninsula. This pattern has been studied intensely on various taxonomic groups, but with scarce attention for using standardized data. Here, using presence-absence data normalized by the field effort, the peninsular effect on the species richness of some mammalian groups (Eulipotyphla [i.e. Soricomorpha + Erinaceomorpha], Rodentia, and Chiroptera) was analyzed along the Italian peninsula. Specifically, species richness at each 30′-wide latitudinal band and the normalized species richness were compared, and generalized linear models (GLM) were used to assess whether habitat diversity, altitudinal range and area of each latitudinal band were the main predictors in explaining the peninsular effects in each of the three mammalian orders. In both Rodentia and Chiroptera, species richness was better predicted by habitat heterogeneity and by the interaction term habitat heterogeneity × field effort. For Eulipotyphla, GLM models gave no significant results. Our study highlighted the importance of taking into account the sampling effort in order to proper evaluate the peninsular effects on species richness in animals.
Acknowledgments
Two anonymous reviewers and the Associate Editors (Boris Kryštufek) provided a large number of comments and suggestions that improved the first and the second draft of the manuscript.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
Total area for each latitudinal band (LB, in m2), as well as the minimum and maximum elevation (in m a.s.l.) in each 30′-wide LB of the Italian peninsula, and the altitudinal range in each LB (LBrangealt).
LB | Area | elev.min | elev.max | LBrangealt |
---|---|---|---|---|
35.5 | 199405198350021 | −2 | 128 | 130 |
36 | 528444670091446 | 1 | 145 | 144 |
36.5 | 214544566783528 | −7 | 526 | 533 |
37 | 507359194174105 | −2 | 985 | 987 |
37.5 | 10631130966973 | −2 | 3277 | 3279 |
38 | 113514169410599 | −3 | 3306 | 3309 |
38.5 | 325773614608345 | −4 | 1419 | 1423 |
39 | 634752955317833 | −9 | 1873 | 1882 |
39.5 | 103434547338675 | −6 | 1953 | 1959 |
40 | 128475206522096 | −5 | 2238 | 2243 |
40.5 | 214105490424334 | −9 | 1884 | 1893 |
41 | 185180701483454 | −8 | 1792 | 1800 |
41.5 | 160958073570735 | −7 | 2191 | 2198 |
42 | 150360800571877 | −6 | 2762 | 2768 |
42.5 | 137509959904909 | −8 | 2807 | 2815 |
43 | 14965936191886 | −4 | 2438 | 2442 |
43.5 | 143399148029511 | −7 | 1661 | 1668 |
44 | 149608885959833 | −6 | 3229 | 3235 |
44.5 | 234175547459388 | −9 | 3718 | 3727 |
45 | 242887892055649 | −24 | 3404 | 3428 |
45.5 | 258746294370292 | −20 | 3938 | 3958 |
46 | 226752553033012 | −22 | 4771 | 4793 |
46.5 | 138673403956779 | 171 | 3851 | 3680 |
47 | 277206270811594 | 520 | 3590 | 3070 |
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© 2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Conservation
- First wolves in Luxembourg since 1893, originating from the Alpine and Central European populations
- Ecology
- Spatial ecology of lions in a small, semi-fenced park surrounded by dense human populations: the case study of Nairobi National Park, Kenya
- Activity patterns of jaguar and puma and their main prey in the Greater Madidi-Tambopata Landscape (Bolivia, Peru)
- The status and ecology of the sand cat in the Uruq Bani Ma’arid Protected Area, Empty Quarter of Saudi Arabia
- The spatio-temporal co-occurrence of free-ranging common fallow deer and domestic caprines on the island of Rhodes, Greece
- Seasonal consumption of insects by the crested porcupine in Central Italy
- Season and habitat affect diversity, abundance and reproductive state of small mammals near Lake Abaya, Ethiopia
- Biogeography
- Peninsular effect on species richness in Italian small mammals and bats
- Small rodent communities (Muridae) in Gabonese savannas: species diversity and biogeographical affinities
- Ethology
- Inter-individual behavioural variation in the crested porcupine
- Taxonomy/phylogeny
- A new species of Cynomops (Chiroptera: Molossidae) from the northwestern slope of the Andes
- Overlooked diversity in Argentine caviomorph rodents: the need to increase field efforts
Artikel in diesem Heft
- Frontmatter
- Conservation
- First wolves in Luxembourg since 1893, originating from the Alpine and Central European populations
- Ecology
- Spatial ecology of lions in a small, semi-fenced park surrounded by dense human populations: the case study of Nairobi National Park, Kenya
- Activity patterns of jaguar and puma and their main prey in the Greater Madidi-Tambopata Landscape (Bolivia, Peru)
- The status and ecology of the sand cat in the Uruq Bani Ma’arid Protected Area, Empty Quarter of Saudi Arabia
- The spatio-temporal co-occurrence of free-ranging common fallow deer and domestic caprines on the island of Rhodes, Greece
- Seasonal consumption of insects by the crested porcupine in Central Italy
- Season and habitat affect diversity, abundance and reproductive state of small mammals near Lake Abaya, Ethiopia
- Biogeography
- Peninsular effect on species richness in Italian small mammals and bats
- Small rodent communities (Muridae) in Gabonese savannas: species diversity and biogeographical affinities
- Ethology
- Inter-individual behavioural variation in the crested porcupine
- Taxonomy/phylogeny
- A new species of Cynomops (Chiroptera: Molossidae) from the northwestern slope of the Andes
- Overlooked diversity in Argentine caviomorph rodents: the need to increase field efforts