Optimal Harvesting of Age-structured Fish Populations [PDF]
A generic age-structured model for optimal harvesting is formulated and analyzed. The aim is to maximize utility from the harvest, net of effort cost. Yield depends on effort, catchability, and population age structure.
Tahvonen, Olli
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The Origin, Development And Structure Of Demand For Plant Genetic Resources. The Impact Of The In Trust Agreements To The CGIAR Collections Availability [PDF]
The objective of this paper is to explore how the demand of germplasm held by CGIAR genebanks changed over time in order to assess the possible influence of the 1994 In Trust Agreements on germplasm demand.
Caracciolo, Francesco +3 more
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Combining Supply and Demand Estimates for Ecosystem Services from Cropland [PDF]
Payment-for-Ecosystem-Services (PES) programs are gaining appeal as flexible approaches to inducing the voluntary provision of ecosystem services (ES).
Lupi, Frank, Ma, Shan, Swinton, Scott M.
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Optimising the spatial pattern of landscape revegetation [PDF]
The spatial pattern of landscape reconstruction makes a substantial difference to environmental outcomes. We develop a spatially explicit bio-economic model that optimises the reconstruction of a heavily cleared landscape through revegetation.
Pannell, David J. +4 more
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Fixed costs involved in crop pattern changes and agri-environmental schemes [PDF]
Agri-environmental schemes are the main policy instrument currently available in the European Union to promote environmentally friendly farming practices. Nevertheless, the adoption rate of these measures is still limited.
Jesùs Barreiro-Hurlé +2 more
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RETRO-INNOVACIÓN, SOSTENIBILIDAD Y VIABILIDAD DE LA DEHESA ESPAÑOLA Y EL MONTADO PORTUGUÉS
Revista Galega de EconomíaLa retro-innovación consiste en la reintroducción de técnicas y procesos tradicionales para conservar el entorno y explotarlo económicamente de manera sostenible. En el caso de las dehesas extremeñas y los montados portugueses, existen antecedentes
doaj
The genome sequence of a parasitoid wasp, <i>Netelia inedita</i> (Kokujev, 1899) (Hymenoptera: Ichneumonidae). [PDF]
Wellcome Open ResBroad GR +8 more
europepmc +1 more source
Celastrol inhibits polyglutamine aggregation and toxicity though induction of the heat shock response [PDF]
, 2007 core +1 more source
Development of a survey and worry score to evaluate physician burnout and wellness interventions during COVID-19 in the Rio Grande Valley: A pilot study. [PDF]
PLoS OneJacobsen V +7 more
europepmc +1 more source
Barriers and facilitators to potential nationwide implementation of fertility health awareness strategies in young married couples in Singapore: an implementation study. [PDF]
BMC Health Serv ResZainal H +10 more
europepmc +1 more source