آثار التلوث البيئي في التنوع الأحيائي
في محافظة البصرة
أطروحة تقدم بها
علي ناصر عبدالله الصرايفي
إلى
مجلس كلية التربية للعلوم الإنسانية جامعة البصرة وهي جزء من متطلبات نيل شهادة دكتوراه فلسفة في الجغرافية
بإشراف
الأستاذ الدكتور
كاظم عبد الوهاب حسن الأسدي
1440هـ - 2019م
The Effects of Environmental Pollution on the Biolgical Diversity in the Governerate of Basrah
thesis submitted by
Ali Naser Abdullah Al-saraifi
To
Council of the College of Education for Human sciences / Basra University
It is part of the requirements of the degree of Doctor of Philosophy in Geographical
the of Supervision
Prof. Dr
Kadhim Abdul Wahab Hassan Al-Asadi
2019 AD - AH 1440
Abstract
The present study aims at analyzing the impact of environmental pollution on the biodiversity in Basra. The pollution study of air and water as well as land in Basra. The researcher concludes that environmental pollution has great effect on the biodiversity in that the increase in density of that type of pollution and its exceeding limits leads to the changes in the environment resulted in the emergence of new coming species (plants and animals), and the extinction of some other species, besides the extinction of some other dominant species.
14 types of invading natural plants have been identified, and 13 other types of natural plants have been about to extinct. There are 4 types of natural plants which have been died out. There are 5 water plant species which have been jotted down. There are also 11 invading water plant species. There are 6 local fish species about to extinct. There are also 15 water reptile species are exposed to extinction. The study specified 15 wild (milky) species exposed to die out. 10 wild species extinct. 5 reptilian species are about to extinct. 5 new reptilian species have not been found before in the study area. 29 bird species extinct. 29 bird species are about to extinct.
The environmental changes have led to pollution and resulted in a decrease in the agricultural land spaces. The average change ratio has been directed to negative results which affected the agricultural production of some lands which have been decreased also. The number and spaces of palm trees lands have also decreased which have a negative effect on the average productivity. The study area has witnessed a vanishing lands of fruit orchards that have been flourishing for ages which ultimately resulted in the extinct of some fruit species.
تحميل من
↲ top4top
0 تعليقات
شكرا لتعليقك .. سيتم الرد عليكم في اقرب وقت ممكن .
كوكب المنى