Results 111 to 120 of about 8,218,062 (290)
Fisheries Management and Ecology, EarlyView.ABSTRACT To study variables that may trigger the dispersion of the currently expanding European catfish in its native distribution limits, 42 individuals were captured from Upper Lake Constance (lentic) and 42 from two streaming tributaries (lotic), fitted with pressure and temperature loggers, and released at the site of capture (control: lotic or ...
Albert Ros +4 more
wiley +1 more source
Preliminary Data on the Studies of Alosa immaculate in Romanian marine waters
Scientific Annals of the Danube Delta Institute, 2017 Danube shad is a fish with high economic and socio-cultural value for the human communities established in the Danubian-Pontic space. In Romania, shad fishery has a market value of about 1.5 million euro, with average annual catches of 200-500 tonnes ...
ȚIGANOV George +5 more
doaj
Insect Conservation and Diversity, EarlyView.Well‐preserved heathlands of NW Italy are the main overwintering habitat of Sympecma paedisca, while grassy margins in farmland are used only in summer and are avoided from autumn onwards. Grassy margins in farmland act as corridors during the species' migrations between its breeding (ricefields) and overwintering (lowland heathlands) grounds ...
Leonardo Siddi +3 more
wiley +1 more source
Insect Conservation and Diversity, EarlyView.Mass migration of hoverflies was observed near Prague city in a highly agricultural landscape, representing only the second record of hoverfly migration in the Czech Republic. This rare observation was likely driven by the need to rest, shelter and replenish energy, although most flowers had already finished blooming.
Antonín Hlaváček +3 more
wiley +1 more source
Distinctive gene expression in the reduced first thoracic legs of a nymphalid butterfly
Insect Molecular Biology, EarlyView.Transcriptome analysis reveals that the small non‐walking front legs of a butterfly have distinct gene expression to the four walking legs. Reduced front legs express a gene with putative mechanosensory roles, a blue‐sensitive opsin and two homeobox genes.
Asia E. Hoile +2 more
wiley +1 more source
Education and Training Needs in the Field of Visitors Receiving Structures and Tourism Services in the Lower Danube Region [PDF]
The paper analyzes the new realities and conditions for the development of tourism in the Lower Danube region in the context of the "Danube Strategy" of the EU, the state of the Bulgarian and Romanian tourist market, and the Romania market, as well as ...
Gabriela Ţigu +2 more
core
Use of historical sources in a study of the 1895 floods on the Danube River and its tributaries [PDF]
Geographica Pannonica, 2014 Hydrological data series that are measured on the Danube River are temporally limited. Instrumental flow data can be prolonged by documentary data from historical sources in archives.
Melo Marián +4 more
doaj
Northern cod (Gadus morhua) movement: insights from acoustic telemetry and genomics
Journal of Fish Biology, EarlyView.Abstract Knowledge of the timing and diversity of fish movements within a commercially exploited stock complex is required to ensure the sustainability of fisheries. Although migration can be driven by environmental factors, genomic mechanisms also play an important role in this complex life‐history trait. The northern cod (Gadus morhua) stock complex,
M. Lisette Delgado +10 more
wiley +1 more source
Role of Cysteinyl Leukotrienes in Food Allergy and Anaphylaxis: A Potential Therapeutic Target
Allergy, EarlyView.
A. Weingaertner, T. Eiwegger
wiley +1 more source