All Outputs (685)

A molecular approach to detect hybridisation between crucian carp (Carassius carassius) and non-indigenous carp species (Carassius spp. and Cyprinus carpio) (2005)
Journal Article
Hänfling, B., Bolton, P., Harley, M., & Carvalho, G. R. (2005). A molecular approach to detect hybridisation between crucian carp (Carassius carassius) and non-indigenous carp species (Carassius spp. and Cyprinus carpio). Freshwater biology, 50(3), 403-417. https://doi.org/10.1111/j.1365-2427.2004.01330.x

1. Releases of non-native fish into the wild is an increasing problem posing considerable ecological and genetic threats through direct competition and hybridisation. 2. We employed six microsatellite markers to identify first generation hybrids and... Read More about A molecular approach to detect hybridisation between crucian carp (Carassius carassius) and non-indigenous carp species (Carassius spp. and Cyprinus carpio).

Bridging the gap between mechanistic and adaptive explanations of territory formation (2004)
Journal Article
Morrell, L. J., & Kokko, H. (2005). Bridging the gap between mechanistic and adaptive explanations of territory formation. Behavioral Ecology and Sociobiology, 57(4), 381-390. https://doi.org/10.1007/s00265-004-0859-5

How animals divide space can have fundamental implications for the population dynamics of territorial species. It has recently been proposed that space can be divided if animals tend to avoid fight locations, rather than the winner of fights gaining... Read More about Bridging the gap between mechanistic and adaptive explanations of territory formation.

Fish assemblages of Venice Lagoon shallow waters: An analysis based on species, families and functional guilds (2004)
Journal Article
Malavasi, S., Fiorin, R., Franco, A., Franzoi, P., Granzotto, A., Riccato, F., & Mainardi, D. (2004). Fish assemblages of Venice Lagoon shallow waters: An analysis based on species, families and functional guilds. Journal of marine systems : journal of the European Association of Marine Sciences and Techniques, 51(1-4 SPEC. ISS.), 19-31. https://doi.org/10.1016/j.jmarsys.2004.05.006

The fish assemblages in the Venice Lagoon were studied from March to December 2001, by surveying fyke nets in three shallow water areas, which were located at different distances from the marine inlets and characterized by different types of substrat... Read More about Fish assemblages of Venice Lagoon shallow waters: An analysis based on species, families and functional guilds.

Can too strong female choice deteriorate male ornamentation? (2004)
Journal Article
Morrell, L., & Kokko, H. (2004). Can too strong female choice deteriorate male ornamentation?. Proceedings of the Royal Society B: Biological Sciences, 271(1548), 1597-1604. https://doi.org/10.1098/rspb.2004.2763

Competition for limited resources can have fundamental implications for population dynamics. However, the effects of resource depletion have rarely been discussed in the context of sexual selection, even though mate choice typically favours males who... Read More about Can too strong female choice deteriorate male ornamentation?.

Are behavioural trade-offs all they seem? Counter-intuitive resolution of the conflict between two behaviours (2004)
Journal Article
Morrell, L. J. (2004). Are behavioural trade-offs all they seem? Counter-intuitive resolution of the conflict between two behaviours. Behavioral Ecology and Sociobiology, 56(6), 539-545. https://doi.org/10.1007/s00265-004-0821-6

The understanding of trade-offs between behaviours is fundamental to the study of animal behaviour. Individuals may often be faced with the choice of which of two mutually incompatible behaviours to perform. Here, I present a model investigating the... Read More about Are behavioural trade-offs all they seem? Counter-intuitive resolution of the conflict between two behaviours.

Can management of freshwater fish populations be used to protect and enhance the conservation status of a rare, fish-eating bird, the bittern, Botaurus stellaris, in the UK? (2004)
Journal Article
Noble, R. A. A., Harvey, J., & Cowx, I. (2004). Can management of freshwater fish populations be used to protect and enhance the conservation status of a rare, fish-eating bird, the bittern, Botaurus stellaris, in the UK?. Fisheries Management and Ecology, 11(3-4), 291-302. https://doi.org/10.1111/j.1365-2400.2004.00391.x

The bittern, Botaurus stellaris (L.), is a Red Data list species in the UK with currently approximately 30 breeding males restricted to a few wet reedbeds, the majority of which are located in the East Anglian region of England. Although having a div... Read More about Can management of freshwater fish populations be used to protect and enhance the conservation status of a rare, fish-eating bird, the bittern, Botaurus stellaris, in the UK?.

Somatic energy storage and reproductive investment in the grass goby Zosterisessor ophiocephalus (2004)
Journal Article
Malavasi, S., Florin, R., Franco, A., & Torricelli, P. (2004). Somatic energy storage and reproductive investment in the grass goby Zosterisessor ophiocephalus. Journal of the Marine Biological Association of the UK, 84(2), 455-459. https://doi.org/10.1017/S0025315404009440h

The pattern of somatic energy storage, measured as body lipid proportion, was investigated in the grass goby Zosterisessor ophiocephalus, by comparing the per cent lipids across three reproductive groups - large males (territory holding, caring for e... Read More about Somatic energy storage and reproductive investment in the grass goby Zosterisessor ophiocephalus.

Impact of habitat fragmentation on genetic population structure of roach, Rutilus rutilus, in a riparian ecosystem (2004)
Journal Article
Hänfling, B., Durka, W., & Brandl, R. (2004). Impact of habitat fragmentation on genetic population structure of roach, Rutilus rutilus, in a riparian ecosystem. Conservation genetics, 5(2), 247-257. https://doi.org/10.1023/B%3ACOGE.0000030008.20492.2c

During the last 200 years, the riparian ecosystem along major rivers has been reduced to a few scattered remnants. Important elements of the riparian ecosystem are water bodies which were originally connected to the main river channel by annual flood... Read More about Impact of habitat fragmentation on genetic population structure of roach, Rutilus rutilus, in a riparian ecosystem.

Isolation and characterization of polymorphic microsatellite loci in the endangered Portuguese freshwater fish Squalius aradensis (Cyprinidae) (2003)
Journal Article
Mesquita, N., Cunha, C., Hänfling, B., Carvalho, G. R., Zé-Zé, L., Tenreiro, R., & Coelho, M. M. (2003). Isolation and characterization of polymorphic microsatellite loci in the endangered Portuguese freshwater fish Squalius aradensis (Cyprinidae). Molecular ecology notes, 3(4), 572-574. https://doi.org/10.1046/j.1471-8286.2003.00515.x

Here we describe the isolation and characterization of six polymorphic microsatellite loci for Squalius aradensis. The number of observed alleles per locus ranged from three to 16 and the observed heterozygosity from 0.22 to 0.95. These primers will... Read More about Isolation and characterization of polymorphic microsatellite loci in the endangered Portuguese freshwater fish Squalius aradensis (Cyprinidae).

Adaptive strategies of territory formation (2003)
Journal Article
Morrell, L. J., & Kokko, H. (2003). Adaptive strategies of territory formation. Behavioral Ecology and Sociobiology, 54(4), 385-395. https://doi.org/10.1007/s00265-003-0663-7

How do territorial animals gain ownership of an area? Early modelling has considered the evolution of fighting when the winner can claim the right to the resource. Recently, alternative hypotheses have been offered where repeated interactions lead to... Read More about Adaptive strategies of territory formation.

Note on the ecology of spined loach in the lower River Trent, England (2003)
Journal Article
Nunn, A. D., Cowx, I. G., & Harvey, J. P. (2003). Note on the ecology of spined loach in the lower River Trent, England. Fisheries Management and Ecology, 10(2), 117-121. https://doi.org/10.1046/j.1365-2400.2003.00322.x

Is water temperature an adequate predictor of recruitment success in cyprinid fish populations in lowland rivers? (2003)
Journal Article
Nunn, A., Cowx, I., Frear, P., & Harvey, J. (2003). Is water temperature an adequate predictor of recruitment success in cyprinid fish populations in lowland rivers?. Freshwater biology, 48(4), 579-588. https://doi.org/10.1046/j.1365-2427.2003.01033.x

1. Higher than average ambient water temperature in the first year of life may be responsible for strong cohorts of adult cyprinid fish. Whilst temperature explains much of the variation in year-class strength (YCS), however, it is not the only influ... Read More about Is water temperature an adequate predictor of recruitment success in cyprinid fish populations in lowland rivers?.

Characterization of microsatellite loci for the Chinese mitten crab, Eriocheir sinensis (2002)
Journal Article
Hänfling, B., & Weetman, D. (2003). Characterization of microsatellite loci for the Chinese mitten crab, Eriocheir sinensis. Molecular ecology notes, 3(1), 15-17. https://doi.org/10.1046/j.1471-8286.2003.00336.x

The Chinese mitten crab, Eriocheir sinensis is an important human food source in Asia and causes considerable ecological and economical damage as a recent invader of North America and Europe. Here we report the isolation and characterization of 12 hi... Read More about Characterization of microsatellite loci for the Chinese mitten crab, Eriocheir sinensis.

Ethoxyresorufin O-deethylase (EROD) activity and fluctuating asymmetry (FA) in Zosterisessor ophiocephalus (Teleostei, Gobiidae) as indicators of environmental stress in the Venice lagoon (2002)
Journal Article
Franco, A., Malavasi, S., Pranovi, F., Nasci, C., & Torricelli, P. (2002). Ethoxyresorufin O-deethylase (EROD) activity and fluctuating asymmetry (FA) in Zosterisessor ophiocephalus (Teleostei, Gobiidae) as indicators of environmental stress in the Venice lagoon. Journal of aquatic ecosystem stress and recovery, 9(4), 239-247. https://doi.org/10.1023/A%3A1024010813669

The impact of environmental stress on the grass goby, Zosterisessor ophiocephalus, was studied at both biochemical and morphological levels, by comparing three sites in the Venice lagoon (the Northern, Central and Southern basins) which differ in ter... Read More about Ethoxyresorufin O-deethylase (EROD) activity and fluctuating asymmetry (FA) in Zosterisessor ophiocephalus (Teleostei, Gobiidae) as indicators of environmental stress in the Venice lagoon.

Preliminary data on gonadal development and fecundity in the Grass goby, Zosterisessor ophiocephalus (Pallas, 1811) from the Venice lagoon (northern Italy) (2002)
Journal Article
Franco, A., Malavasi, S., Pranovi, F., Franzoi, P., & Torricelli, P. (2002). Preliminary data on gonadal development and fecundity in the Grass goby, Zosterisessor ophiocephalus (Pallas, 1811) from the Venice lagoon (northern Italy). Acta Adriatica, 43(2), 43-48

This paper reports a preliminary description of ovaries and oocytes characteristics in the grass goby Zosterisessor ophiocephalus from the Venice lagoon across the breeding season. Results allowed identifying of three main oocyte maturation stages oc... Read More about Preliminary data on gonadal development and fecundity in the Grass goby, Zosterisessor ophiocephalus (Pallas, 1811) from the Venice lagoon (northern Italy).

mt-DNA sequences and possible invasion pathways of the Chinese mitten crab (2002)
Journal Article
Hänfling, B., Carvalho, G. R., & Brandl, R. (2002). mt-DNA sequences and possible invasion pathways of the Chinese mitten crab. Marine ecology progress series, 238, 307-310. https://doi.org/10.3354/meps238307

The Chinese mitten crab Eriocheir sinensis is an invasive species that inflicts considerable economical and ecological damage in European and American freshwaters. Sequence variation at the mitochondrial COI gene was investigated from Chinese, Europe... Read More about mt-DNA sequences and possible invasion pathways of the Chinese mitten crab.

Recruitment patterns of six species of cyprinid fishes in the lower River Trent, England (2002)
Journal Article
Nunn, A. D., Cowx, I. G., & Harvey, J. P. (2002). Recruitment patterns of six species of cyprinid fishes in the lower River Trent, England. Ecology of freshwater fish, 11(2), 74-84. https://doi.org/10.1034/j.1600-0633.2002.t01-1-00001.x

Fisheries data were collected for six species of 0-group cyprinid fishes from eight sites in the lower reaches of the River Trent, England, between May and October 1999 inclusive, using a micromesh seine net. Recruitment and growth patterns were obse... Read More about Recruitment patterns of six species of cyprinid fishes in the lower River Trent, England.

Quantitative sampling of 0-group fish populations in large lowland rivers: Point abundance sampling by electric fishing versus micromesh seine netting (2001)
Journal Article
Cowx, I. G., Nunn, A. D., & Harvey, J. P. (2001). Quantitative sampling of 0-group fish populations in large lowland rivers: Point abundance sampling by electric fishing versus micromesh seine netting. Archiv fur Hydrobiologie, 151(3), 369-382. https://doi.org/10.1127/archiv-hydrobiol/151/2001/369

This paper compares the density and population structure of 0-group fishes obtained from simultaneous quantitative point abundance sampling using electric fishing with a special electrode design, comprising a 10-cm diameter, spherical anode inside a... Read More about Quantitative sampling of 0-group fish populations in large lowland rivers: Point abundance sampling by electric fishing versus micromesh seine netting.

Isolation and characterization of polymorphic microsatellite loci in the European bullhead Cottus gobio L. (Osteichthyes) and their applicability to related taxa (1999)
Journal Article
Englbrecht, C. C., Largiadèr, C. R., Hänfling, B., & Tautz, D. (1999). Isolation and characterization of polymorphic microsatellite loci in the European bullhead Cottus gobio L. (Osteichthyes) and their applicability to related taxa. Molecular ecology, 8(11), 1966-1969. https://doi.org/10.1046/j.1365-294X.1999.00778-6.x

Behavioral reproductive isolation among sympatric strains of Brachionus plicatilis Müller 1786: insights into the status of this taxonomic species (1995)
Journal Article
Gomez, A., & Serra, M. (1995). Behavioral reproductive isolation among sympatric strains of Brachionus plicatilis Müller 1786: insights into the status of this taxonomic species. Hydrobiologia, 313-314(1), 111-119. https://doi.org/10.1007/bf00025938

We present results on cross-mating experiments using Brachionus plicatilis strains collected in three ponds of a coastal marsh (Torreblanca Marsh, Castellón, Spain). These strains were known to differ widely both in morphology and allozyme patterns f... Read More about Behavioral reproductive isolation among sympatric strains of Brachionus plicatilis Müller 1786: insights into the status of this taxonomic species.