Results 121 to 130 of about 42,402 (318)

The Value of Information in Salmon Farming: Harvesting the Right Fish to the Right Time

Research regarding management practice in fish farming has traditionally focused on two topics: production planning and forecasting of prices. This article combine these two areas of research, and illustrate how information of price patterns can change ...
Guttormsen, Atle G., Forsberg, Odd Inge
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Nonstationary Productivity in Global Fish Stocks

, 2014
Environmental change in the ocean has raised significant concern over the continued productivity of global fisheries resources. In this thesis, I investigate time-varying rates of population growth and biomass production (i.e. `nonstationary productivity'
Britten, Gregory
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Climate change and its implications for Australia's freshwater fish

, 2011
Freshwater environments and their fishes are particularly vulnerable to climate change because the persistence and quality of aquatic habitat depend heavily on climatic and hydrologic regimes.
Pusey, B.J., Kerezsy, A, Mark Lintermans, Dale G. McNeil, Mark J. Kennard, Beatty, Stephen J, Ikedife, David NEN, Morrongiello, John R, McNeil, Dale, Pusey, BJ, Bradley J. Pusey, Kennard, Mark, Pusey, Bradley, Crook, D.A., Kennard, MJ, Beatty, S.J., Kennard, M.J., Rayner, T., David A. Crook, Bennett, James C., McNeil, D.G., Kerezsy, Adam, McNeil, Dale G, Morrongiello, John R., Ikedife, David N. E. N., McNeil, Dale G., Beatty, Stephen J., Lintermans, M, Thomas Rayner, Crook, David A., Bennett, J.C., John R. Morrongiello, Lintermans, Mark, Kennard, Mark J, David N. E. N. Ikedife, Ikedife, DNEN, Pusey, Bradley J, Morrongiello, JR, McNeil, DG, Crook, David, Bennett, JC, Ikedife, David, Morrongiello, John, Bennett, James C, Beatty, SJ, Bennett, James, Lintermans, M., Rayner, T, Beatty, Stephen, Crook, David A, Kerezsy, A., Crook, DA, Adam Kerezsy, Morrongiello, J.R., Ikedife, D.N.E.N., Rayner, Thomas, Stephen J. Beatty, James C. Bennett   +57 more
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Unpacking the Farmland Capitalization Effect of Ethanol Establishment

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT We unpack the impact of expansions in ethanol production—as measured by proximity to newly constructed ethanol plants and capacity expansions—on farmland values using land transaction data from Kansas in combination with modern causal inference techniques.
Gabriel S. Sampson, Jisang Yu
wiley   +1 more source

PATTERNS IN THE RELATIVE PRICE FOR DIFFERENT SIZES OF FARMED FISH

Fish farming is a biological production process dependent upon biological and environmental conditions. These constraints imply that different fish farmers are likely to have a similar distribution of different sizes of fish over time.
Guttormsen, Atle G., Asche, Frank
core   +1 more source

Temporary Programs, Lasting Questions: Ad Hoc Assistance in the U.S. Farm Safety Net

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT Large ad hoc assistance programs have returned to U.S. farm policy since 2017, operating alongside a more developed safety net built around federally subsidized crop insurance, Title I commodity programs, and standing disaster assistance. This paper reviews the renewed use of ad hoc assistance, documents its recent scale using USDA data, and ...
Alejandro Plastina, Oranuch Wongpiyabovorn   +1 more
wiley   +1 more source

Rebuilding and Reference Points Under Compensatory and Depensatory Recruitment: A Meta-Analysis of Northeast Atlantic Fish Stocks

Modern management of fish stocks is based on integrating the precautionary approach with the maximum sustainable yield framework. It relies on accurate estimation of precautionary limits, defined as levels of spawning biomass where a stock has reduced ...
Sveriges lantbruksuniversitet., Cardinale, Massimiliano,, Winker, Henning,   +2 more
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Environment drives forage fish productivity. [PDF]

Proc Natl Acad Sci U S A, 2015
Szuwalski CS, Hilborn R.
europepmc   +1 more source

Can outsourcing pest and disease control help reduce pesticide expenditure? Evidence from rice farmers

Agribusiness, EarlyView.
Abstract Outsourcing pest and disease control (PDC) has grown rapidly worldwide, especially in developing countries. Although numerous studies have investigated various advantages of outsourcing PDC, little is known about its impact on pesticide expenditure.
Pengcheng Wang, Wanglin Ma, Mengling Diao   +2 more
wiley   +1 more source

Do health investments improve agricultural productivity? [PDF]

Determining the causality between health measures and both income and labor productivity remains an ongoing challenge for economists. This review paper aims to answer the question: Does improved population health lead to higher rates of agricultural ...
Ulimwengu, John M., Leonard, Kenneth L., McNamara, Paul E.   +2 more
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