نتایج جستجو برای: monoculture

تعداد نتایج: 1854  

Journal: :Gcb Bioenergy 2022

Monoculture croplands are a major source of global anthropogenic emissions nitrous oxide (N2O), potent greenhouse gas that contributes to ozone depletion. Agroforestry has the potential reduce N2O emissions. Presently, there is no systematic comparison soil between cropland agroforestry and monoculture systems in Central Europe. We investigated effects converting system into alley cropping on f...

Journal: :PLoS ONE 2009
Christopher J. Lortie Michael Munshaw Andrea Zikovitz Jose Hierro

Many hypotheses are prevalent in the literature predicting why some plant species can become invasive. However, in some respects, we lack a standard approach to compare the breadth of various studies and differentiate between alternative explanations. Furthermore, most of these hypotheses rely on 'changes in density' of an introduced species to infer invasiveness. Here, we propose a simple meth...

Journal: :Acta biomaterialia 2013
Yunqing Kang Sungwoo Kim Monica Fahrenholtz Ali Khademhosseini Yunzhi Yang

The use of biodegradable beta-tricalcium phosphate (β-TCP) scaffolds holds great promise for bone tissue engineering. However, the effects of β-TCP on bone and endothelial cells are not fully understood. This study aimed to investigate cell proliferation and differentiation of mono- or co-cultured human-bone-marrow-derived mesenchymal stem cells (hBMSCs) and human-umbilical-vein endothelial cel...

2016
Xiemin Qi Biao Liu Qinxin Song Bingjie Zou Ying Bu Haiping Wu Li Ding Guohua Zhou

Long-term growth of genetically modified plants (GMPs) has raised concerns regarding their ecological effects. Here, FLX-pyrosequencing of region I (18S) and region II (ITS1, 5.8S, and ITS2) rDNA was used to characterize fungal communities in soil samples after 10-year monoculture of one representative transgenic cotton line (TC-10) and 15-year plantation of various transgenic cotton cultivars ...

2013
Stephen L. Young Jacob N. Barney Guy B. Kyser Tracy S. Jones Joseph M. DiTomaso

Plant community functional composition can be manipulated in restored ecosystems to reduce the establishment potential of invading species. This study was designed to compare invasion resistance among communities with species functionally similar or dissimilar to yellow starthistle (Centaurea solstitialis), a late-season annual. A field experiment was conducted in the Central Valley of Californ...

Journal: :Khulna University studies 2022

Plankton population of shrimp and shrimp-GIFT (Genetically Improved Farmed Tilapia) culture ponds were studied. The present study was carried out to estimate phytoplankton zooplankton abundance diversity in mono polyculture systems. A total 13 genera cyanophyceae, chlorophyceae, bacillariophyceae, euglenophyceae, rhodophyceae dinophyceae recorded from the monoculture while 12 measured shrimp-ti...

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