نتایج جستجو برای: plants species
تعداد نتایج: 706713 فیلتر نتایج به سال:
Drought and grazing rangelands play an important role in changing the structure of vegetation and losing the biodiversity of natural ecosystems. In this research, in order to determine the effects of drought and livestock grazing on the vegetation structure of rangelands located in the Nakhab Forest of South Khorasan Province, species abundance, biodiversity, and range condition and trend were ...
Background & Aims: Access to the non-documented experiences and information is one of the valuable ways for developing pharmaceutical sciences and a basis for production of new drugs. Ethnobotany is the science of recovering endangered non-documented traditions. Protection of these traditions would be a precious guide to gain access to new drug sources. The aim of this study was to identify and...
3 Corresponding author: [email protected]; 828-667-5261 ext. 118; Fax: 828-667-9097 ABSTRACT: Invasive, non-native plants threaten forest ecosystems by reducing native plant species richness and potentially altering ecosystem processes. Seed dispersal is critical for successful invasion and range expansion by non-native plants; dispersal is likely to be enhanced if they can successfully comp...
Background & Aim: The traditional knowledge about medicinal plants is the basic step in many drug productions. Traditional medicine and herbal drug have absorbed attraction of many world authorities. Using medicinal plants has developed in many countries even those with a vast use of chemical drugs. Ethno-botanical studies result in documentation of many useful plants. In these studies the main...
Cancer disease has been on the increase recently in both developed and developing countries of the world resulting in 40 million deaths annually. Ethno-medicinal survey of indigenous herbal plants used in traditional medicine in the treatment of cancers was conducted in major communities in Bali, Gashaka and Sarduana Local Government Areas Taraba State Nigeria. Traditional medicine practitioner...
Manganese toxicity occurs in many agricultural and natural ecosystems under the various soil conditions such as the nature of substrate, acidity, flooding or vicinity to the mining areas. The objective of this work was to study the effects of excess Mn in the growth medium on three important crop species, namely rice (Oryza sativa L. cv. T. Hashemi), maize (Zea mays L. cv. SC.704) and sunflower...
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