نتایج جستجو برای: endemic taxon
تعداد نتایج: 52362 فیلتر نتایج به سال:
BACKGROUND The Tibetan Plateau is not only the highest and largest plateau on earth; it is also home to numerous freshwater lakes potentially harbouring endemic faunal elements. As it remains largely unknown whether these lakes have continuously existed during the Last Glacial Maximum (LGM), questions arise as to whether taxa have been able to exist on the plateau since before the latest Pleist...
Background and aims – Forests are among the most threatened ecosystems worldwide, endemic plants often a vulnerable component of flora given territory. So far, however, understory forest endemics southern Europe have received little attention poorly known for several aspects. Material methods We developed first list native vascular that restricted to Italian forests. Available information on ta...
cousinia subpectinata به عنوان گونه جدیدی از ایران شرح داده می شود. این گونه با نزدیکترین خویشاوند خودcousinia rechingerorum مقایسه شده طرح و پراکنش جغرافیائی آن ارائه می شود. همچنین شرح بخش در ارتباط با این گونه تکمیل می شود.
paracobitis vignai is a nemacheilid loach endemic to the sistan basin. it occurs in helmand river and its related reservoirs in sistan-va-baluchistan province in southeastern iran and probably in afghanistan. this species is currently endangered due to habitat loss or degradation, damming and droughts. therefore, this paper reviews the available data on taxonomy and distribution of p. vignai , ...
This report describes the discovery of the rare euglenoid taxon Trachelomonas bituricensis var. lotharingia in a small mesotrophic pond in the Czech Republic. Only limited data are available on the distribution of this taxon as same as for typical variety of Trachelomonas bituricensis, even though this taxon is morphologically very well defined. I provide a brief discussion of the taxonomic val...
As coral bleaching events become more frequent and intense, our ability to predict and mitigate future events depends upon our capacity to interpret patterns within previous episodes. Responses to thermal stress vary among coral species; however the diversity of coral assemblages, environmental conditions, assessment protocols, and severity criteria applied in the global effort to document blea...
Summary Launaea cervicornis (Boiss.) Font Quer & Rothm. (Compositae: Lactuceae: Hyoseridinae) is illustrated and described. The species endemic to the Balearics, dominant in limestone cliff‐top plant association Launaeion (O. Bolòs Vigo ex Y. Gil Llorens) Rivas‐Martínez, Fernández‐González Loidi) on islands. Notes cultivation, propagation, pests diseases availability are provided. position ...
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