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| Kappes, H.; Kobialka, H.. |
| Slug assemblages in NW Germany (Gastropoda: Milacidae, Boettgerillidae, Limacidae, Agriolimacidae, Arionidae): a result of the mapping survey of Northrhine-Westphalia. This survey provides information on inter-specific associations of slugs on a regional data base. Most of the data originate from the last ten years. In total, 25 slug species are known from the federal state Northrhine-Westphalia, Germany. A rough classification using two character species resulted in three groups. These groups correspond to habitat preferences, i.e. species that are regularly found together with Arion rufus usually occur in close-canopy forests and mid-successional stages, species that are regularly found together with Arion lusitanicus prefer open habitats to... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Slug assemblages; Gastropoda; Milacidae; Boettgerillidae; Limacidae; Agriolimacidae; Arionidae; Distribution; Northrhine-Westphalia; Germany; Habitat preferences; 42.73. |
| Ano: 2009 |
URL: http://www.repository.naturalis.nl/record/421032 |
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| Kappes, H.. |
| Blood-feeding terrestrial leeches of the family Haemadipsidae are a notorious part of the invertebrate diversity in Asian and Australian rain forests. All hitherto published records of terrestrial leeches of Borneo belong to the genus Haemadipsa. Here, a second, poorly known haemadipsid genus is reported from Mount Kinabalu and Crocker Range National Park. The individuals were barcoded and compared to sequences available in GenBank. The results show that the genus Tritetrabdella has representatives in the Indochinese and the Sundaic bioregions. All six specimens from Borneo are from a single new Tritetrabdella lineage, T. kinabaluensis spec. nov. Within the Bornean lineage, two groups differing 4-5% in the COI barcoding sequence were identified. Because 1)... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Annelida; Clitellata; Ecological specialization; Genetic distance; Parasite; Phylogeny; Speciation; Tropical mountains; 42.76; 42.64. |
| Ano: 2013 |
URL: http://www.repository.naturalis.nl/record/462900 |
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| Kappes, H.; Stoll, S.; Haase, P.. |
| Dispersal is a crucial process for population exchange and expansion, and traits that facilitate dispersal may be positively selected during biological invasions. Here, we performed a basic study on differences in behavior between the slug Arion lusitanicus auct. non Mabille, 1868 (Gastropoda: Pulmonata), which is considered to be one of the 100 worst invasive species in Europe, and native gastropods. We assumed that the species is more active and less sensitive to otherwise aversive stimuli, and thus more likely to utilize novel environments. We quantified field densities and performed pitfall trap studies in 15 differently-structured habitats (urban, grassland, succession, riverine forest) in the floodplain of the LTER (Long Term Ecological Research)... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Behavioral ecology; Non-native organisms; Dietary conservatism; Foraging; Trap efficiency; 42.73. |
| Ano: 2012 |
URL: http://www.repository.naturalis.nl/record/421027 |
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| Sulikowska-Drozd, A.; Maltz, T.K.; Kappes, H.. |
| The goal of this study is to assess if the reproductive strategy of a brooding land snail shifts along a climatic gradient. We focused on the following traits: timing and length of the reproductive season, brood size, ontogenetic dynamics of embryos, and reproductive mode (viviparity versus egg-laying). We dissected the central European door snail Alinda biplicata, collected monthly from eight populations covering the oceaniccontinental climatic gradient within the species’ distribution range. Forty percent of the 1706 dissected individuals were brooding. The species displayed a spring-summer reproductive activity pattern: intrauterine brooding was recorded between March and September; first embryos of a developmental stage that equals that of live-born... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Clausiliidae; Gastropoda; Life cycle; Moisture; Mollusca; Vivaparity; 42.73. |
| Ano: 2013 |
URL: http://www.repository.naturalis.nl/record/447983 |
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