نتایج جستجو برای: natural rangelands

تعداد نتایج: 483631  

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...

During the last few decades, one of the most important problems of Iran rangelands is how to manage ranch units, which are managed according to the grazing license, in one of the three common methods, council, collective and private exploitation. The most important tool for achieving sustainable development and natural resource management is property right. Considering the importance of range...

ژورنال: علوم آب و خاک 2020

The objective of this study was to investigate the impact of land use change (forest and rangelands to agriculture) on some micromorphological indices of soil quality in part of Rakat watershed, southwest of Iran. Accordingly, intact soil samples from 0-15 and 15-30 cm depths were collected from the above-mentioned land uses, and microstructure, type and abundance of voids, redoximorphic featur...

2011
SAMUEL D. FUHLENDORF DAVID M. ENGLE

Rangelands are the most common form of terrain WE PROPOSE A PARADIGM THAT in both the United States (where it accounts for 61% of all land surface) and the world (70% of all land surface). ENHANCES HETEROGENEITY Rangelands consist primarily of native plant communities managed, typically, for livestock production (Holechek et al. INSTEAD OF HOMOGENEITY TO PROMOTE 1998). Because they can embrace ...

Journal: :Rangelands 2022

Rangeland management has entered a new era with the accessibility and advancement of satellite-derived maps. Maps provide comprehensive view rangelands in space time, challenge us to think critically about natural variability. Here, we advance practice using maps four guiding principles designed increase end user confidence thereby these data for decision-making.

2010
Corrine Noel Knapp Maria E. Fernandez-Gimenez Emily Kachergis

People who interact with rangelands on a regular basis gain practical insights about how rangelands work by living on and working with them. This local knowledge is refi ned over time as individuals see the way the land responds to weather, management, and disturbances. Local knowledge (LK) is a type of knowledge “integrally linked with the lives of people, always produced in dynamic interactio...

Journal: :مرتع و آبخیزداری 0
ساره راسخی دکترای مرتعداری، دانشکده کشاورزی و منابع طبیعی، دانشگاه علوم و تحقیقات، تهران علی اکبر مهرابی استاد، گروه آبخیزداری، دانشگاه آزاد اسلامی، واحد علوم تحقیقات، تهران سید اکبر جوادی استادیار گروه مرتع داری، واحد علوم و تحقیقات، دانشگاه آزاد اسلامی تهران مهدی قربانی استادیار، دانشکده منابع طبیعی، دانشگاه تهران

renewable natural resources are national capital and are of paramount importance in each country. preservation and developing these resources is incumbent upon relevant institutions and all people especially the beneficiaries. in this regard, various approaches have been recommended for optimum use and sustainable preservation of natural resources especially rangelands among which co-management...

Journal: :African Journal of Range & Forage Science 2021

(2021). Montane rangelands in a changing world. African Journal of Range & Forage Science: Vol. 38, Rangelands Changing World, pp. iii-vi.

2016
J. Lozano-Parra Marco P. Maneta

Natural grasses in semiarid rangelands constitute an effective protection against soil erosion and degradation, are a source of natural food for livestock and play a critical role in the hydrologic cycle by contributing to the uptake and transpiration of water. However, natural pastures are threatened by land abandonment and the consequent encroachment of shrubs and trees as well as by changing...

Reclamation of Arid LandsIt is our pleasure to inform you that Springer International Publisher (2017) has published a book entitled "Reclamation of Arid Lands" in English.This book is the result of joint collaboration between the University of Tehran, University of Kashan and Research Institute of Forests and Rangelands, whose authors are as follows:Mohammad Jafari: Professor, Faculty of Natur...

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