Results 71 to 80 of about 977,162 (304)

Extreme drought to extreme floods: summary of hydrologic conditions in Georgia, 2009 [PDF]

open access: yesFact Sheet, 2010
The U.S. Geological Survey (USGS) Georgia Water Science Center (GAWSC) maintains a long-term hydrologic monitoring network of more than 317 real-time streamgages, more than 180 groundwater wells of which 31 are real-time, and 10 lake-level monitoring stations.
Andrew E. Knaak   +2 more
openaire   +1 more source

Coping with drought for food security in Tigray, Ethiopia [PDF]

open access: yes, 2011
Agricultural production in drylands suffers from drought and in sub-Saharan Africa, only about 15% of the terrestrial rainwater is used by plants for food, fodder and fiber.
Berhe, A.A.
core  

Low Participation and Risk Reduction Potential of Supplemental Crop Insurance in the United States

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Federally subsidized crop insurance is a cornerstone of U.S. farm risk management, yet policies with the greatest share of participation only trigger indemnities after losses exceed 15%. Supplemental insurance was introduced to cover part of this deductible, but participation remains largely unchanged.
Francis Tsiboe   +2 more
wiley   +1 more source

DROUGHT MONITORING USING STANDARD PRECIPITATION INDEX IN WESTERN NEPAL [PDF]

open access: yesJournal CleanWAS
This study used 28 meteorological stations’ monthly precipitation data for 42 years (1977 – 2018) as input to generate a standardized precipitation index (SPI) for winter and monsoon.
Damodar Bagale   +2 more
doaj   +1 more source

Projected increases in extreme drought frequency and duration by 2040 affect specialist habitats and species in Scotland

open access: yesEcological Solutions and Evidence, 2023
Climate‐driven increases in drought occurrence are an overlooked risk in temperate climates, which may be less resilient to water scarcity than arid habitats.
Fairlie Kirkpatrick Baird   +3 more
doaj   +1 more source

Effects of extreme drought on agriculture soil and sustainability of different drought soil [PDF]

open access: yes, 2014
Abstract. Content of microbial biomass carbon was selected as indicator for identifying effects of extreme drought on agriculture soil ecosystem. Through a series of prototype observation experiments, changing tendencies of microbial biomass carbon content and the proportion of microbial biomass carbon in soil organic carbon were identified.
Geng, S. M.   +5 more
openaire   +2 more sources

Nutrients mitigate the impacts of extreme drought on plant invasions

open access: yesEcology, 2020
AbstractExtreme climate events, such as drought, are becoming increasingly important drivers of plant community change, yet little is known about their impacts on invasive plants. Further, drought impacts may be altered by other anthropogenic stressors, such as eutrophication.
Megan A. Kelso   +2 more
openaire   +3 more sources

Heavy Metal Contamination: Impacts From Plants to the Food Chain and Eco‐Friendly Amelioration Strategies

open access: yesAgriFood: Journal of Agricultural Products for Food, EarlyView.
Heavy metal pollution reduces soil health and threatens food safety by entering plants; however, the use of nanoparticles, biofertilizers, and organic fertilizers such as biochar offers a promising strategy for improvement and sustainable agriculture. ABSTRACT Heavy metal (HM) pollution, resulting from human activities such as mining and the excessive ...
Sina Siavash Moghaddam   +4 more
wiley   +1 more source

Regional Differences in U.S. Consumer Preferences for Native Woody Shrubs With Varying Aesthetic Characteristics

open access: yesAgribusiness, EarlyView.
ABSTRACT Native plants offer a variety of aesthetic (e.g., fall colour, fruit, flowers) and functional benefits (e.g., pollinator friendly, wildlife friendly, water management). How these benefits influence consumer choice and perceived value of native versus introduced plants is not well understood.
Alicia Rihn   +3 more
wiley   +1 more source

Extreme drought alters competitive dominance within and between tree species in a mixed forest stand

open access: yes, 2013
1. The effect of extreme climate events on ecosystems is an important driver of biotic responses to climate change. For forests, extreme drought has been linked to negative effects such as large-scale mortality and reduced primary production.
Alistair S. Jump   +7 more
core   +1 more source

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