scholarly journals Malakofauna přírodní památky Babinské louky v CHKO České středohoří [Mollusc fauna of the Babinské louky Nature Monument in the České středohoří Protected Landscape Area]

2021 ◽  
Vol 20 ◽  
pp. 98-107
Author(s):  
Jitka Horáčková

Mollusc fauna of the Babinské louky Nature Monument in the České středohoří Protected Lanscape Area in North Bohemia has been supplemented and summarized. During the recent monitoring in 2021, 36 land snails and four aquatic species were recorded. This reserve mainly protects the famous orchid meadows, however, it also includes a number of other habitats, including forests. The local malacofauna is therefore relatively rich. There are strictly forest species (Isognomostoma isognomostomos, Merdigera obscura), species of open habitats (Vertigo pygmaea), hygrophilous species (Succinella oblonga) or boreomontane species (Vertigo substriata) living side by side.

2016 ◽  
Vol 18 (3) ◽  
pp. 83-90
Author(s):  
Voichiţa Gheoca

Abstract This study focuses on the snail fauna of a river valley passing through two closely located settlements. Thirty six species of terrestrial gastropods were identified. Species such as Macrogastra borealis, Alinda fallax, Alinda viridana, Bulgarica vetusta, Monachoides vicinus, Drobacia banatica, are present along the river and abundant in the sampling stations downstream of Cisnădie town. The high specific diversity and the presence of typical forest species demonstrate the presence of fragments of habitat that can preserve populations of terrestrial gastropods, underlining the importance of river valleys in conservation and dispersion of these species.


2012 ◽  
Vol 11 ◽  
pp. 29-38
Author(s):  
Tomáš Čejka ◽  
Juraj Čačaný ◽  
Libor Dvořák

The paper brings a review of a long-term malacological survey of fragmented urban alluvial woodland, an important refuge of Middle-Danubian terrestrial molluscan fauna. In the area of Bratislava agglomeration we surveyed two softwood and 26 hardwood alluvial forests. Altogether, 52 mollusc species have been recorded during the last 20 years (representing 79% of the total terrestrial mollusc fauna living in the Slovak section of the Danube floodplain). The most frequent species (more than 75% sites) were Aegopinella nitens, Helix pomatia, Monachoides incarnatus (every three species at 27 sites, i.e. 96%), Cochlodina laminata (26 sites, 93%), Petasina unidentata (25 sites), Urticicola umbrosus (24 sites), Alinda biplicata (23 sites), and Clausilia pumila (21 sites). The main ecological groups were forest species in general (45%, mainly eurytopic and slightly hygrophilous), hygrophilous species in general (26%, hygrophilous and riparian), euryecious species (16%), semi-steppe (8%) and open-country species (5%).


Author(s):  
George E. Syrides
Keyword(s):  

This paper presents the hand-collected molluscan remains that were recovered from the excavations in Areas C and D of the Sanctuary of Poseidon at Kalaureia, Poros, in the years 2003–2004. The paper aims at the presentation of the finds and at using the molluscan biological and ethological traits to provide insights into the possible capture methods and use. Land snails are also summarily presented.


2009 ◽  
Vol 160 (11) ◽  
pp. 334-340 ◽  
Author(s):  
Pierre Mollet ◽  
Niklaus Zbinden ◽  
Hans Schmid

Results from the monitoring programs of the Swiss Ornithological Institute show that the breeding populations of several forest species for which deadwood is an important habitat element (black woodpecker, great spotted woodpecker, middle spotted woodpecker, lesser spotted woodpecker, green woodpecker, three-toed woodpecker as well as crested tit, willow tit and Eurasian tree creeper) have increased in the period 1990 to 2008, although not to the same extent in all species. At the same time the white-backed woodpecker extended its range in eastern Switzerland. The Swiss National Forest Inventory shows an increase in the amount of deadwood in forests for the same period. For all the mentioned species, with the exception of green and middle spotted woodpecker, the growing availability of deadwood is likely to be the most important factor explaining this population increase.


2019 ◽  
Vol 75 ◽  
pp. 01003 ◽  
Author(s):  
Egor Dmitriev ◽  
Vladimir Kozoderov ◽  
Sergey Donskoy ◽  
Petr Melnik ◽  
Anton Sokolov

A method for automated processing high spatial resolution satellite images is proposed to retrieve inventory and bioproductivity parameters of forest stands. The method includes effective learning classifiers, inverse modeling, and regression modeling of the estimated parameters. Spectral and texture features are used to classify forest species. The results of test experiments for the selected area of Savvatievskoe forestry (Russia, Tver region) are presented. Accuracy estimates obtained using ground-based measurements demonstrate the effectiveness of using the proposed techniques to automate the process of updating information for the State Forest Inventory program of Russia.


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