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The Balıkdamı Wetland, an impoundment of the upper course of the Sakarya River located near Sivrihisar (Eskişehir, Central Anatolia), is one of the most important bird conservation areas in Turkey. This area also encompasses the mouth of the torrential Göksu Stream, which is partly hyporheic. During this study (2001–2003), 1,471 specimens representing 34 taxa of aquatic Oligochaeta were collected...
The distribution patterns of three European newt species (Triturus macedonicus, Lissotriton vulgaris, and Mesotriton alpestris) was determined in the Montenegrin karst region and the influence of breeding ponds, the adjacent landscape, and climate variables on distributions within the framework of allotopy vs. syntopy occurrences was tested. After surveying 145 newt breeding sites in a 10,080 km2...
The genetic structure, diversity and phylogeography of the moss species Campylopus oerstedianus in Europe was studied, based on the ITS region of the nrDNA of nine selected European populations. Although this species is only known in sterile stage, long-distance dispersal and gene flow among populations seem to be present within Europe. High levels of genetic differentiation between the investigated...
We studied the demography of Viola elatior, V. pumila, and V. stagnina, three rare and endangered Central European floodplain species, to (i) analyse variation in life-cycles among congeners and between regions (Dyje-Morava floodplains, Czech Republic; Upper Rhine, Germany), (ii) to define sensitive stages in the life-cycles, and (iii) to identify possible threats for population viability and species...
Invasions of Typha (cattail) and/or Phragmites (common reed) in wetland ecosystems result in changes in species richness, diversity and composition of vascular plants. These invasions are particularly harmful in lakes where threatened species and/or communities are found. The spread of two species of Typha (T. angustifolia and T. latifolia) and of Phragmites australis in the Stagnone Lake, on Capraia...
Discrepancies in the identification of some plants and, in consequence on their autochthonous or allochthonous character, can lead to the adoption of inappropriate habit management strategies such as conservation, control, elimination, etc. A clear illustration of this is the case of a plant with an evident expansive behaviour located on the North Atlantic coast of the Iberian Peninsula, which has...
Occurrence and breeding of Hirudo medicinalis were recorded in birds’ nests in the fishing ponds and water bodies used extensively by anglers in south-eastern Poland, in 4 of 11 studied bird species (Circus aeruginosus, Fulica atra, Cygnus olor, Chroicocephalus ridibundus). Factors important for the distribution and density of this leech were: nest height, pH of the water and oxygen concentration...
In order to have a comprehensive evaluation and classification of the natural biota of Lake Pamvotis, the present study aims at investigating shrimps’ bionomic traits. Information on shrimps’ habitat preferences, abundances, and syntopic species in relation to the physicochemical profile of the lake’s water are investigated for the first time. The study was carried out on a bi-monthly base, at six...
In the present article, the results of the first-stage of monitoring, following restoration works on a small Mediterranean wetland (Lake Stagnone, Capraia Island, Tuscan Archipelago), are reported. The recent spread of Typha and Phragmites in the lake changed diversity and composition of the plant communities. Nine years after their first monitoring (2009), a rarefaction of hydrophytes and small helophytes...
Riparian ecosystems host an high level of biodiversity but anthropic activities have deeply altered their naturalness and functionality. The present study was carried out in a protected area along a recently regulated tract of the upper River Tiber (Tuscany, central Italy). The study’s aim is to explore different components of plant diversity (species richness, species composition, β-diversity) in...
As the biggest inner city national reserve in Germany, the D¨onche in Kassel is characterized by its history and composition of ponds, reeds and varying woodlands. Due to artificial grazing, the structural open landscape with small-area wetland habitats was well preserved. In the last two decades, changes in aquatic ecosystems were becoming more obvious. From originally 400 water filled bomb crater...
The North African distribution of Emys orbicularis (L., 1758) is rather local and discontinuous, with no data on the ecology of the Algerian population so far. Such data are essential in improving conservation efforts. Altogether, 216 individuals were captured during 2013–2015, consisting of 212 adult specimens, 129 males and 83 females, giving a male-biased sex ratio of 1.6:1. The Jolly-Seber index,...
The alarming pace of loss of global biodiversity gets major attention worldwide, and amphibians are by far the most endangered group of vertebrates. IUCN estimates that 41% of amphibian species are threatened. The year 2008 was named as “The Year of the Frog” to raise both awareness and funding of mainly ex situ programs needed to mitigate the amphibian extinction crisis. Zoos and aquariums are expected...
Amphibians are strongly affected by climate change like many vertebrate animals. To address this problematic situation, we examined the potential effect of climate change on the distribution of Mertensiella caucasica (Waga, 1876) that is the best known species in Caucasus hotspot using future distribution modelling (average for 2041–2060 and 2061–2080) under RCP 4.5 and RCP 8.5 emission scenarios...
Short or long-term ex situ conservation is becoming increasingly important in conservation of plants in today’s changing environments. One of the important steps in ex situ conservation is the collection and storage of seeds and the consequent establishment of seed germination protocols. Cerastium dinaricum (Caryophyllaceae) is an endemic, high elevation and rare species of European conservation concern...
Orchidaceae is the most extensive family of flowering plants. There are approximately 30,000 - 35,000 species, belonging to 850 genera, dispersed in almost all the ecosystems on earth, except in polar zones and extreme deserts. In Mexico, there are more than 1,200 species distribuited in approximately 170 genera, of which 40% are endemic to the country. In this review, aspects related to geographical...
The aim of this study was to evaluate the spatio-temporal variation and influence of environmental factors on the reproduction of H. pudibundus, and to estimate the size at the onset of sexual maturity (CW50). Samples were taken monthly from January to December 2000 in nine transects ranging from 2 to 40 m of depth. Bottom temperature, salinity, and sediment texture were recorded at each transect...
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