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Grassland: A Rapid Algebraic Modeling System for Million-variable Optimization [PDF]
An algebraic modeling system (AMS) is a type of mathematical software for optimization problems, which allows users to define symbolic mathematical models in a specific language, instantiate them with given source of data, and solve them with the aid of external solver engines.
arxiv +1 more source
Abstract This paper seeks to understand the process by which biodiversity performance indicators can be developed. In doing so, this paper examines how biodiversity performance measurements are inherently imperfect and reflects on the implications of that imperfectness.
Madlen Sobkowiak
wiley +1 more source
The economic value of grassland ecosystem services: A global meta‐analysis
Background Grasslands provide a wide variety of ecosystem services that contribute to human wellbeing. While an increasing number of studies are evaluating the monetary value of grassland ecosystem services, most of them focus on specific grassland ...
Huifang Liu+4 more
doaj +1 more source
Background Grasslands are globally imperiled, facing continued threats from anthropogenic disturbances. Seeding remains a common grassland restoration method, and yet, is typically met with limited success, partially because soils of degraded systems ...
Eric B. Duell+2 more
doaj +1 more source
Abstract We use the Multiple Element Limitation (MEL) model to examine responses of 12 ecosystems to elevated carbon dioxide (CO2), warming, and 20% decreases or increases in precipitation. Ecosystems respond synergistically to elevated CO2, warming, and decreased precipitation combined because higher water‐use efficiency with elevated CO2 and higher ...
Edward B. Rastetter+14 more
wiley +1 more source
Background Grasslands are the primary source of feed for grazing livestock, and as such, knowledge on how to best manage livestock and grasslands, through the use of spatiotemporal modelling, will assist in the long‐term management of a valuable ...
Danica Parnell+4 more
doaj +1 more source
Ancient grasslands guide ambitious goals in grassland restoration
Grasslands, which constitute almost 40% of the terrestrial biosphere, provide habitat for a great diversity of animals and plants and contribute to the livelihoods of more than 1 billion people worldwide. Whereas the destruction and degradation of grasslands can occur rapidly, recent work indicates that complete recovery of biodiversity and essential ...
Elise Buisson+3 more
openaire +3 more sources
Abstract Large, citizen‐science species databases are powerful resources for predictive species distribution modeling (SDM), yet they are often subject to sampling bias. Many methods have been proposed to correct for this, but there exists little consensus as to which is most effective, not least because the true value of model predictions is hard to ...
Victoria Nolan+3 more
wiley +1 more source
Background In the Western Highlands of Cameroon (WHC), information on the nutritional value of fodder species consumed by ruminants is very limited. Methods Through interviews with farmers and monitoring of animals on the range, information was obtained ...
Leslie Tieubou Tsopgni+7 more
doaj +1 more source
Abstract Arthropod biomass is a key element in ecosystem functionality and a basic food item for many species. It must be estimated through traditional costly field sampling, normally at just a few sampling points. Arthropod biomass and plant productivity should be narrowly related because a large majority of arthropods are herbivorous, and others ...
J. Traba+9 more
wiley +1 more source