Document Type : Research Paper

Author

Azad Islamic University of Najaf Abad

Abstract

Over the larger part of the planet, the landscape that is now exposed is mainly an artifact of human thought and creation. The impact of man in the natural environment has day-by-day and evidently changed the geographical spheres. The cumulative effect of human population over time, especially through the use of technology over the final decades of the twentieth century, has made these changes very rapid. The relationship between man and the natural environment has been the subject of long discussions in the field of geography in the last century, and distinct environmentalist schools have developed. At the beginning of the 21st century, one of the missions of geography is to reveal and highlight the problems caused by these changes.
Like other living beings, human is a part of the environment and needs air, water, soil and other creatures. Due to the interdependence of the components of the planet, any change in each of the components will endanger the entire system. Environmental problems are now widespread.
This article is based on the hypothesis that human beings have artificially transformed the natural system through interference and imposing changes on the natural environment. This research deals with the analysis of environmental changes that has occurred in Iran through human interference in recent decades using descriptive and inferential methods as well as secondary methods. Changes in forests and rangelands, desertification and the spread of deserts and changes in valuable plant species, along with the penetration of some non-indigenous species have caused the degradation of sensitive ecosystems.
The importance of education and promotion of appropriate social responses to environmental changes, and the role that people can play in preserving, revitalizing, developing and exploiting natural resources, are the courses of action that are discussed in this paper.

Keywords

1- بدیعى، ربیع- جغرافیاى مفصل ایران- انتشارات اقبال - سال 1372
2- پتروف، م،ب - جغرافیاى طبیعى ایران- (ترجمه حسین گل گلاب) انتشارات دهخدا- 1350
3- پاگنى، پیر- متوئورولوژى (ترجمه هادى وثیق)- انتشارات آموزش انقلاب اسلامى- 1371
4- حسین‏نژاد، ناصر- چوکادرختان را مى‏خشکاند - بیان شماره 244-1379
5- جعفرپور، ابراهیم- پژوهش‏هاى اقلیمى در غرب ایران - انتشارات سازمان جغرافیایى - 1355
6- دریو، ماکس- مورفولوژى (ترجمه دکترمسعود خیام) انتشارات نیام- 1366
7- رزاقى، ابراهیم- اقتصاد ایران- انتشارات نیل- 1367
8- سعادت، فتح‏اله- جغرافیاى اقتصادى ایران- انتشارات علمى- سال 1375
9- کلانترى، حمید- فرسایش خاک در ایران- همشهرى شماره 1576 سال 1376
10- کک،ر،ک- ژئومورفولوژى (ترجمه دکتر فرج‏اله محمودى) سال 1373
11- کردوانى، پرویز- حفاظت خاک- انتشارات دانشگاه تهران - 1363
12- مدرس، احمد- رشد دو گیاه ناشناخته- همشهرى شماره 1158 سال 1375
13- مؤمنى، مهدى- جغرافیاى انسانى(1)- انتشارات محتشم- 1376
14- نظرى، على اصغر- جغرافیاى جمعیت ایران- انتشارات دانشگاه پیام نور- 1372
15- نظرى، پورى- علفزارهاى ایران- سال 1365
16- همشهرى- تخلیه روستاهاى یزد، شماره 153 سال 1373
17- FAO (1988) An Interim Report on the State of forest, Resources in the Developing Countries,Rome.
18-Van Zeist (1967) Quarternarr Vegetation History of Eastern IRAN