Agricultural Ecosystem: An Encouraging Field for Ornithologists

an investigation about the appropriate stochastic modeling framework for agricultural insurance pricing

با توجه به اینکه بیمه محصولات کشاورزی در ایران بیشتر جنبه ای حمایتی دارد و خسارات گزارش شده عموما بیش از حق بیمه های دریافت شده است، در این پایان نامه به جهت تعیین قیمت بیمه محصولات کشاورزی (گندم دیم) از فرآیندهای نوفه شلیک به عنوان مدلی مناسب استفاده شده است. بر اساس داده های صندوق بیمه کشاورزی از خسارات اعلام شده در سال زراعی 1388-1389 گندم دیم، در این پایان نامه حق بیمه خالص و ناخالص این محص...

Agricultural intensification and ecosystem properties.

Expansion and intensification of cultivation are among the predominant global changes of this century. Intensification of agriculture by use of high-yielding crop varieties, fertilization,irrigation, and pesticides has contributed substantially to the tremendous increases in food production over the past 50 years. Land conversion and intensification,however, also alter the biotic interactions a...

Spatial interactions among ecosystem services in an urbanizing agricultural watershed.

Understanding spatial distributions, synergies, and tradeoffs of multiple ecosystem services (benefits people derive from ecosystems) remains challenging. We analyzed the supply of 10 ecosystem services for 2006 across a large urbanizing agricultural watershed in the Upper Midwest of the United States, and asked the following: (i) Where are areas of high and low supply of individual ecosystem s...

Stream Ecosystem Functioning in an Agricultural Landscape: The Importance

SALLY HLADYZ, KAJSA ÅBJÖRNSSON, ERIC CHAUVET, MICHAEL DOBSON, ARTURO ELOSEGI, VERÓNICA FERREIRA, TADEUSZ FLEITUCH, MARK O. GESSNER, PAUL S. GILLER, VLADISLAV GULIS, STEPHEN A. HUTTON, JEAN O. LACOURSIÈRE, SYLVAIN LAMOTHE, ANTOINE LECERF, BJÖRN MALMQVIST, BRENDAN G. MCKIE, MARIUS NISTORESCU, ELENA PREDA, MIIRA P. RIIPINEN, GETA RÎŞNOVEANU, MARKUS SCHINDLER, SCOTT D. TIEGS, LENA B.-M. VOUGHT AND ...

Bayesian Inference for Agricultural Field