نتایج جستجو برای: its average annual economic value by 3 price senarios estimated

تعداد نتایج: 9078653  

Journal: :مرتع و آبخیزداری 0
شفق رستگار دانش آموختة دکتری مرتعداری، دانشکدة مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان علی دریجانی استادیار دانشکدة اقتصاد کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان حسین بارانی دانشیار دانشکدة مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان محمد قربانی استاد دانشکدة اقتصاد کشاورزی، دانشگاه فردوسی جمشید قربانی استادیار دانشکدة مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی ساری واحد بردی شیخ دانشیار دانشکدة مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

forage is the main product of rangelands. so, determining its economic value as one of the main important nonmonetary functions can help managers to improve planning and optimal utilization management of rangelands. the main purpose of this study is to estimate the economic valuation of the forage of summer rangelands in nour-roud watershed basin in mazandaran province. consequently, total fora...

Journal: :international journal of agricultural management and development 2014
nasrin ohadi jaleh kurki nejad

given the strategic remarkable rank of pistachio in non-oil exports, inputs’ management in its production is so important. as the scarcest input in agricultural sector, water is considered to be among the most important inputs of pistachio production.water inadequate supply and limate conditions increase water demand in pistachio growing areas. it is necessary to determine the real value or pri...

Rangeland ecosystems provide a wide range of services such as gas regulation function whose economic value has not been understood. The present study aimed to estimate the economic value of CO2 absorption and oxygen generation services using unit price in Sheikh Musa Rangeland, Mazandaran Province, Iran. In the study area, clipping and weight and photosynthesis methods were applied to estimate ...

Jaleh Kurki Nejad Nasrin Ohadi

Given the strategic remarkable rank of pistachio in non-oil exports, inputs’ management in its production is so important. As the scarcest input in agricultural sector, water is considered to be among the most important inputs of pistachio production.Water inadequate supply and limate conditions increase water demand in pistachio growing areas. It is necessary to determine the real value or pri...

ژورنال: اکوبیولوژی تالاب 2020
Samdeliri, Ahmad , Shahbazi, Habib ,

Economic valuation of environmental resources is allocated great part of environmental economic studies. Environmental economist believed that economic valuation is necessary for non-market and environmental of resource services. The purpose of this paper is determining of the recreational and environmental value of Pir-Salman wetland in Asadabad county (Hamedan Province) services. So, for this...

Recognition of byproducts and their exploiting economic evaluation is one of basic requirements in documenting prospect of rangelands utilization. In this regard, the present study was performed to estimate the economic indices of exploiting byproducts production in Varnasa rangelands, Naghadeh, Iran. For this purpose, the economic data for calculating economic indices were collected after samp...

حسنی, سعید, زره‌داران, سعید, زرین‌کمر, بهناز, سمیعی, رحمت, عبدالهی, حسین,

In this study a bio-economic model was used for a flock with 195 breeding ewes and 20 rams to determine economic values of important traits in Zel sheep of Golestan including litter size, pre-weaning survival, post-weaning survival, ewe survival, birth weight, weaning weight, yearling weight, ewe mature weight, dressing percentage, conception rate and wool weight. In this model, fixed environme...

The optimal allocation of water is importance because Yazd province has very limited access to water resources. The optimal allocation requires that the water price be approximately equal to its economic value. Accordingly, the present paper calculated the economic value of water consumed by manufacturing industries in Yazd province. The Cobb-Douglas, transcendental, translog, generalized quadr...

ژورنال: اقتصاد مقداری 2015

The Shadegan Wetland is located in the southwest of Iran. It is one of the wetlands internationally registered in the Ramsar Convention. Thanks to its variety of functionalities this wetlands has provided the local people with lots of job opportunities. Nowadays, as a result of located in the oil fields, this wetland is threatened by many of the projects run in its vicinity, like oil exploratio...

Fossil Fuels are always considered as environmental pollutants. On the other hand, the political and economic situations highly affect the price of these fuels. Offshore wind and wave, as renewable energy sources, represent the better alternatives for electricity generation. Therefore, it is necessary that wind speeds effectively be estimated due to the absence of field measurements of the wind...

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