Results 91 to 100 of about 43,153 (256)

A Floristic Study of the Vascular Plants of the Gypsum Hills and Redbed Plains Area of Southwestern Oklahoma

open access: yesOklahoma Native Plant Record, 2008
The vascular floras of gypsum and redbed soils in southwestern Oklahoma were collected and studied during the growing season (April-October) of 1975. A total of 359 taxa and 230 genera and 63 families were included in the study.
Susan C. Barber
doaj   +1 more source

Distribution and diversity of exotic plant species in montane to alpine areas of Kosciuszko National Park [PDF]

open access: yes, 2013
Diversity and distribution of exotic plant taxa in Kosciuszko National Park in south-eastern Australia were reviewed based on 1103 records of exotics from 18 vegetation surveys conducted between 1986 and 2004.
Bear, Roxana   +2 more
core  

Effects of Drought Stress and Species Variation on Carbon and Nitrogen Microbial Biomass and β-glucosaminidase Activity in the Rhizosphere of Grasses

open access: yesعلوم آب و خاک, 2021
Long-term drought effect is one of the main factors of global climate change, with  consequences for soil biogeochemical cycling of carbon and nitrogen and the  function of soil ecosystem under drought conditions.
S. Abdi Ardestani   +2 more
doaj  

Relationship of Latitude-of-Origin to Winter Survival and to Forage and Seed Yields of Wheatgrass (Agropyron species) in Subarctic Alaska [PDF]

open access: yes, 1992
Five field experiments evaluating and comparing numerous grasses were conducted over seven years at the Matanuska Research Farm (61.6°N) near Palmer in southcentral Alaska.
Helm, D. J., Klebesadel, Leslie J.
core  

Bromus vernum

open access: yes, 1956
Published as part of Becherer, 1956, Florae Vallesiacae Supplementum, pp.
openaire   +1 more source

Bromegrass in Alaska. II. Autumn Food-Reserve Storage, Freeze Tolerance, and Dry-Matter Concentration in Overwintering Tissues as Related to Winter Survival of Latitudinal Ecotypes [PDF]

open access: yes, 1993
The objective of this study was to acquire improved understanding of factors that influence winter survival of bromegrass (Bromus spp.) at northern latitudes.
Klebesadel, Leslie J.
core  

Exotic herbaceous species interact with severe drought to alter soil N cycling in a semi-arid shrubland [PDF]

open access: yes, 2020
Mediterranean-type ecosystems are increasingly threatened by climate change and exotic annual species, jeopardizing the native communities and their global biodiversity.
Cleland, EE   +4 more
core   +1 more source

How Management Factors Influence Weed Communities of Cereals, Their Diversity and Endangered Weed Species in Central Europe

open access: yesAgriculture, 2018
The loss of weed biodiversity in agricultural fields is a global issue that needs to be counteracted to preserve their supported ecosystem services and food webs.
Matthias Schumacher   +3 more
doaj   +1 more source

Revegetation of Thermal Power Plant Ash Dumps or Sustainable Urban Development

open access: yesUrban Science
The goal of this study is to safely reduce dust emissions from ash dumps and create green landscapes at waste storage sites. The most effective way to achieve this is through revegetation, which allows ash dumps to be transformed into green landscapes ...
Lyudmila Ivanovna Khudyakova   +6 more
doaj   +1 more source

A foliar endophyte increases the diversity of phosphorus-solubilizing rhizospheric fungi and mycorrhizal colonization in the wild grass Bromus auleticus

open access: yes, 2015
Fil: Arrieta, Alejandro Matias. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Micologia y Botanica. Universidad de Buenos Aires.
A. M. Arrieta   +4 more
semanticscholar   +1 more source

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