نتایج جستجو برای: eg in abandoned lands

تعداد نتایج: 16978934  

2013
Tobias Plieninger Mirijam Gaertner Cang Hui Lynn Huntsinger

Background: Obscured by the more prevalent discussion of intensification and expansion of agricultural land, the impacts of the abandonment of many grasslands and croplands of the world in recent decades have received limited attention in the literature. Land abandonment is a common phenomenon in the Mediterranean Basin, a global biodiversity hotspot, but little is known about the impacts of th...

Journal: :Journal of experimental botany 2001
J Ning J R Cumming

Broomsedge (Andropogon virginicus L.) is a dominant grass revegetating many abandoned coal-mined lands in West Virginia, USA. Residual soils on such sites are often characterized by low pH, low nutrients, and high aluminium. Experiments were conducted to assess the resistance of broomsedge to limited phosphorus (Pi) availability and to investigate the role that arbuscular mycorrhizal (AM) fungi...

Journal: :International Journal of Ocean System Engineering 2011

Journal: :journal of reproduction and infertility 0

background: cryopreservation of mammalian ovaries has been reported with different levels of success. cryopreservation of ovarian tissue may be a potential alternative for treatment of infertility and many attempts have been done to improve the efficiency of ovarian cryopreservation. the objective of the present study was to compare the direct cover vitrification (dcv) with ethylene glycol (eg)...

Journal: :international journal of reproductive biomedicine 0
javier morán-martínez pilar carranza-rosales mario morales-vallarta josé a. heredia-rojas susana bassol-mayagoitia nadia denys betancourt-martínez

background: male infertility is affected by several factors. lead is one of the heavy metals more bioavailable than usually modifies the sperm quality in humans. objective: the aim of this study was to establish the role of lead in semen quality in environmentally exposed men. materials and methods: semen and blood samples were obtained from two groups: the exposed group (eg=20) and the non-exp...

Journal: :Forest and Society 2022

Science cannot directly influence policy without a process of knowledge transfer and integration into policy-making called the science-policy interface. On other hand, not all scientists intend to use their findings policy-makers. This condition causes gap between science policy. The main objective this study is identify various "knowledge products" that have varying amounts space, understand p...

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