The conducted studies reflect the current state of protected areas and the composition of dendroflora. The recommendations for protected areas reconstruction and prospects of their use are suggested. A map of PA (existing and future) disposition for a fragment of the Voronezh ur-ban agglomeration map is made.
The article describes the features of the landscape and floral estate complexes Semiluki municipal district of the Voronezh region. Field studies were carried out in June 2014 and April 2016. 10 estate complexes were studied. Estate complexes play an important role and environment-forming portions can serve ecological framework nuclei. It is also important recreational value of estates. It was analyzed landscape structure Semiluki area and is made up of estates map of location within the types of terrain. Morphological and aesthetic features estate complexes largely depend on what type within the area it is located. Estates of Semiluki distrinct tend to slope type of terrain. Turning estate complexes in the register of protected areas (RoPA) Russia will benefit the recreational potential of the area, improve the stability of the environment and will promote environmental education. On the territory of Semiluki district area of RoPA is not sufficient, it is appropriate to extend it to make the environmental status of the estates. Currently 2 of the estate area have the status of existing natural monuments (Cottage Bashkirtseva and Semidubravnoe tract), but even in their territory conservation mode is not guaranteed. One reason for this is that the locals do not know what the estate are protected areas. In field studies, it was noted that the majority of estates are in poor condition is not respected conservation mode, the composition of flora no different variety, many estates have poor transport availability and information security. The paper offers recommendations for improving estates and their involvement in environmental and recreational nature
Blood samples were taken from 541 small mammal captured in 2013–2015 in Znamensky district of Omsk region from Ixodes persulcatus and Ixodes trianguliceps sympatric area and examined for the Babesia spp. presence by nested PCR with subsequent sequencing of positive samples. Babesia microti DNA was found in 31,1 % of positive samples; a proportion of infected mammals varied from 5,3 % to 61,6 % in different sampling periods. B. microti DNA was found in samples from three prevailing Myodes species as well as from a root vole (Microtus oeconomus), field voles (Microtus argestis) and Siberian chipmunks (Tamias sibiricus). It was shown that identified B. microti samples belong to two genetic groups: B. microti ‘US’-type and B. microti ‘Munich’-type; notably that > 90 % infected mammals contained DNA of nonpathogenic for human B. microti ‘Munich’-type. We suppose that I. trianguliceps tick is the most probable vector of B. microti ‘Munich’-type.
Приводится краткая характеристика биоразнообразия псаммофитных, кальцефитных и галофитных экосистем с указанием типичных и редких для Центрального Черноземья представителей флоры, в числе которых Caragana scythica-новый вид для данного региона. Нахождение узкого эндемика неогенового возраста бассейна Северского Донца-Hedysarum ucrainicum. Среди редких растений эндемиками Донецкого кряжа и юга Приволжской возвышенности являются Hyssopus cretaceus, Polygala cretacea, Silene cretacea, в Европейской части России-Cephalaria uralensis, Chamaecytisus zingeri Галофитная флора насчитывает около 230 видов растений, среди которых имеются виды-индикаторы степени засоления почвы. В псаммофитных сообществах растут эндемичные для юга Европейской России и бассейна Дона растения. Псаммофитные аридные экосистемы приурочены к левобережью реки Дон и его притокам-Воронежу, Потудани, Хопру, Битюгу и др. Флора их насчитывает до 300 видов сосудистых растений. Кальцефитные аридные экосистемы занимают меловые отложения на юге Среднерусской возвышенности. Флора их насчитывает около 550 видов. Данные аридные экосистемы можно назвать источниками информации для познания генезиса как самих кальцефитных экосистем, так и растительного покрова юга Русской равнины. Аридные экосистемы как природные комплексы отражают целесообразное, неповторимое, уникальное сочетание организмов и ландшафтов биома Земли. Большую угрозу аридным экосистемам представляет процесс адвентивизации. Охрана биоразнообразия аридных экосистем обосновывается ценностью реликтовой биоты, необходимой для познания научных, теоретических, практических вопросов генезиса, динамики биоразнообразия в целях организации рационального природопользования и стабилизации природного компонента биосферы. Ключевые слова: Охрана биоразнообразия, аридные экосистемы, Центральное Черноземье, новый вид, эндемики, местонахождения.
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