Results 91 to 100 of about 856,653 (305)

Pesticides and Ecosystems

open access: yesBioScience, 1982
More than 500,000 tons of pesticides are produced annually for application in US agroecosystems to control insect pests, plant pathogens, and weeds (USDA 1980). As little as 1% of this may actually hit the target organisms (PSAC 1965). Instead, most reaches nontarget sectors of agroecosystems and/or spreads to surrounding ecosystems as chemical ...
Pimentel, D., Edwards, C. A.
openaire   +1 more source

Herbivores Enforce Sharp Boundaries Between Terrestrial and Aquatic Ecosystems

open access: yes, 2014
The transitions between ecosystems (ecotones) are often biodiversity hotspots, but we know little about the forces that shape them. Today, often sharp boundaries with low diversity are found between terrestrial and aquatic ecosystems.
Veen, Ciska,   +1 more
core   +1 more source

Supporting AI Readiness Through Digital Workflows in Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
Digitalization drives innovation in materials science by connecting data silos and turning heterogeneous processes into reusable research pipelines. Across 13 MaterialDigital projects, digital workflows reveal complementary pathways toward AI‐ready materials research, founded on structured data, persistent artifacts, executable orchestration, and ...
Marian Bruns   +67 more
wiley   +1 more source

Annual progress report 2013: CGIAR Research Program on Water, Land and Ecosystems

open access: yes, 2014
Annual progress report 2013: CGIAR Research Program on Water, Land and Ecosystems ...
CGIAR Research Program on Water, Land and Ecosystems
core  

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

The structure of ecosystems

open access: yesJournal of Theoretical Biology, 1973
Abstract Input-output theory is developed for an ecosystem in terms of production and respiration energy flows. The theory reveals a “structure” of the system by demonstrating the direct and indirect energy flow dependence of each member of the system upon the others. A method for tracing the direct and indirect element flows through the ecosystem is
openaire   +2 more sources

Annual progress report 2013: CGIAR Research Program on Water, Land and Ecosystems

open access: yes, 2013
Annual progress report 2013: CGIAR Research Program on Water, Land and Ecosystems ...
CGIAR Research Program on Water, Land and Ecosystems
core  

Fully Additive Vertical Organic Electrochemical Transistors on Renewable and Compostable Substrates Enable Ultrasensitive Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi   +3 more
wiley   +1 more source

Examining the socio-ecohydrological status of St. Martin's Island in Bangladesh

open access: yesEnvironmental Advances
One of the most popular tourist destinations is St. Martin's Island, which features a unique state of the socio-ecological environment of Bangladesh. However, tourists, other outsiders, and the island's growing human population significantly influence ...
Md Ashikur Rahman   +3 more
doaj   +1 more source

Managing specific freshwater ecosystems [PDF]

open access: yes, 2018
A number of relatively simple changes to the way Protected Areas (PAs) are designed and managed can help to further improve their conservation benefits for surface- and ground-water-dependent freshwater ecosystems and estuaries.
Arthington, AH   +23 more
core   +1 more source

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