Haplic chernozems humus condition of Western Bug and Styr terraced landscapes
نویسندگان
چکیده
منابع مشابه
Evolution dynamics in terraced NK landscapes
We consider populations of agents evolving in the fitness landscape of an extended NK model with a tunable amount of neutrality. We study the statistics of the jumps in mean population fitness which occur in the ‘punctuated equilibrium’ regime and show that, for a wide range of landscapes parameters, the number of events in time t is Poisson distributed, with the time parameter replaced by the ...
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منطقه مورد مطالعه در 23 کیلومتری جنوب غرب شهرستاشاهرود قرار دارد که در نقشه 100000/1 شاهرود قرار گرفته است.ناحیه مورد مطالعه در تقسیمات ساختاری ایران بخشی از زون البرز شرقی است . در طی سنوزوئیک این زون به شدت تحت تأثیر فازهای کوهزایی آلپی قرار گرفته و فعالیت های آتشفشانی انوسن در قسمت های غربی آن دیده می شود . از نظر ترکیب سنگ شناسی منطقه مورد مطالعه متنوع و بیشتر شامل سنگ های رسوبی مانند : آ...
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Terraced areas have existed in Italy since ancient times, and they continue to be characteristic elements of the cultural identity of the country. The progressive abandonment of rural areas and farmland that began in the 1960s has led to the disintegration and disappearance of many terraces, representing one of the problems connected with the deterioration of the historic Tuscan agricultural la...
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Despite the numerous values of riparian areas and the recognition of fire as a critical natural disturbance, few studies have investigated the behavior, properties, and influence of natural fire in riparian areas of the western USA. Riparian areas frequently differ from adjacent uplands in vegetative composition and structure, geomorphology, hydrology, microclimate, and fuel characteristics. Th...
متن کاملReproductive Refractoriness in the Western Tarnished Plant Bug (Hemiptera: Miridae)
Adult Lygus hesperus Knight (Hemiptera: Miridae), major crop pests of the southwesternUnitedStates, canmate repeatedlyduring their lives, potentiallyenhancing the lifetimeÞtness ofboth sexes.However, theperiodicityofmating and its regulation in this species is poorlyunderstood. In this study the postmating refractory period for both sexes is described. Males were found to have a median delay of...
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ژورنال
عنوان ژورنال: Visnyk of the Lviv University. Series Geography
سال: 2016
ISSN: 2415-7201,2078-6441
DOI: 10.30970/vgg.2016.50.8717