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  • The Netherlands  (2)
  • Aves  (1)
  • 2005-2009  (3)
  • 1
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    Species diversity and endemism: testing the mid-domain effect on species richness patterns of songbirds in the Palearctic Region (2008)
    In:  Contributions to Zoology vol. 77 no. 2, pp. 99-108
    Details
    Publication Date: 2024-01-12
    Description: Explanation of the spatial distribution patterns in species richness, and especially those of small-ranged species (endemics), bears relevance for studies on evolution and speciation, as well as for conservation management. We test a geometric constraint model, the mid-domain effect (MDE), as a possible explanation for spatial patterns of species richness in Palearctic songbirds (Passeriformes), with an emphasis on the patterns of small-ranged species. We calculated species richness based on digitised distribution maps of phylogenetic species of songbirds endemic to the Palearctic region. Data were plotted and analyzed over a one degree longitude equal area map of the Palearctic Region, with a grid cell area of 4062 km\xc2\xb2. The emergent biogeographic patterns were analysed with WORLDMAP software. Comparison of the observed richness pattern among 2401 phylogenetic taxa of songbirds in the Palearctic Region with the predictions of a fully stochastic bi-dimensional MDE model revealed that this model has limited empirical support for overall species richness of Palearctic songbirds. Major hotspots were located south of the area where MDE predicted the highest species- richness, while some of the observed coldspots were in the centre of the Palearctic Region. Although small-ranged species are often found in areas with the highest species richness, MDE models have a very restricted explanatory power for the observed species-richness pattern in small-ranged species. Regions with a high number of small-ranged species (endemism hotspots) may contain a unique set of environmental conditions, unrelated to the shape or size of the domain, allowing a multitude of species to co-exist.
    Keywords: Aves ; endemism ; hotspot analysis ; mid-domain effect ; Palearctic ; songbirds
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 2
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    Non-indigenous marine and estuarine species in The Netherlands (2005)
    In:  Zoologische Mededelingen vol. 79-1, pp. 1-116
    Details
    Publication Date: 2024-01-12
    Description: An overview is presented of non-indigenous marine and estuarine plant and animal species recorded from The Netherlands. In this list both exotic species from outside NW Europe and non-indigenous species from elsewhere in NW Europe are enumerated. Species that have been suggested to be non-indigenous in The Netherlands but for which insufficient evidence could be found are discussed shortly as well. The list is based mainly on literature data supplemented by own observations of the author. At least 99 plant and animal species have been introduced from elsewhere in the world. Another 13 species have been introduced from other parts of NW Europe. The third category of dubious non-indigenous species enumerates 37 species. The list is preceded by an introduction describing the history of Dutch research on introduced species, the origin of the marine and estuarine flora and fauna of The Netherlands, natural and human-induced dispersal processes, and a summary of the geographic patterns of introduced species.
    Keywords: non-indigenous species ; introduced species ; exotic species ; alien species ; invasive species ; The Netherlands ; North Sea ; Wadden Sea ; Oosterschelde estuary ; estuaries
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 3
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    Ecological niche models for four native cockroach species (Blattaria: Blattellidae: Ectobiinae) in the Netherlands (2009)
    In:  Contributions to Zoology vol. 78 no. 4, pp. 149-156
    Details
    Publication Date: 2024-01-12
    Description: This paper aims at modelling the spatial distribution of the cockroach species Capraiellus panzeri, Ectobius lapponicus, Ectobius pallidus and Ectobius sylvestris within the Netherlands and comparing the habitat preferences of these species. Maxent was used to calculate habitat suitability and to identify environmental variables underlying the differences in observed distribution patterns. A sub-sampling procedure was employed to test model stability. Models were evaluated by calculating the Area Under the Curve (AUC). The analyses show that except for the costal dune area, the western part of the Netherlands is unsuitable for the species. Suitability predictions for C. panzeri, E. lapponicus and E. sylvestris are very similar, with suitable areas concentrated in the eastern and the north-eastern parts of the country and along the western coast. The prediction model for E. pallidus is somewhat more restricted, especially in the northern part of the country. Soil type, land cover and altitudinal range are most important in predicting the distribution of all species. A correspondence analysis was performed to identify the association between the species distribution and the most influential environmental variables. Correspondence analysis indicated that the species distributions are comparably associated with soil type and land cover while species appear to have different preferences with respect to altitudinal range.
    Keywords: Capraiellus panzeri ; cockroaches ; ecological niche modelling ; Ectobius lapponicus ; Ectobius pallidus ; Ectobius sylvestris ; Maxent ; model stability ; The Netherlands
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
    Location Call Number Limitation Availability
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