نتایج جستجو برای: forest rehabilitation

تعداد نتایج: 174381  

Trees are the most important biological elements of forest ecosystems. The variability of the tree species composition inhabiting in the Oriental beech forest, not only forms different forest types but also has a remarkable impact on the species diversity of forest floor plants, due to the existence of trees in the overstory layer. In this research, forest types of an an Oriental beech were ide...

Journal: :environmental resources research 2014
syavash kalbi asghar fallah shaban shataee

forest types mapping, is one of the most necessary elements in the forest management and silviculture treatments. traditional methods such as field surveys are almost time-consuming and cost-intensive. improvements in remote sensing data sources and classification –estimation methods are preparing new opportunities for obtaining more accurate forest biophysical attributes maps. this research co...

2013
Erik Lilleskov Mac A. Callaham Richard Pouyat Jane E. Smith Michael Castellano Grizelle González D. Jean Lodge Rachel Arango Frederick Green

Invasive species have a wide range of effects on soils and their inhabitants. By altering soils, through their direct effects on native soil organisms (including plants), and by their interaction with the aboveground environment, invasive soil organisms can have dramatic effects on the environment, the economy and human health. The most widely recognized effects include damage to human health a...

Journal: :iranian rehabilitation journal 0
maryam shoja university of social welfare and rehabilitation sciences, tehran, iran. asghar dalvandi university of social welfare and rehabilitation sciences, tehran, iran. hamid reza khankeh university of social welfare and rehabilitation sciences, tehran, iran. abbas tafakhori tehran university of medical sciences, tehran, iran. payam sarraf tehran university of medical sciences, tehran, iran. roozbeh kazemi stroke rehabilitation of tabassom, tehran, iran.

objectives:  stroke is a major event in one's life, and patients will inevitably require the use of coping strategies in order to try to reestablish acceptable life equilibrium. due to the extensive role that nurses can be active members in the patient's rehabilitation plan, the mauk model is a model that focuses on stroke patients. for each stage of this model,  mauk has developed ap...

Journal: :جنگل و فرآورده های چوب 0
آزاده دلجویی کارشناس ارشد مهندسی جنگل دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران احسان عبدی دانشیار گروه جنگلداری و اقتصاد جنگل دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران باریس مجنونیان استاد گروه جنگلداری و اقتصاد جنگل دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران

forest roads are directions in natural habitats that used to transport wood products, secondary forest products and recreation. constructing forest roads causes trees clearing with specified width thus lead to direct or indirect changes in forest ecosystems and forest environment. this study aims to assess the changes of diversity and richness indices in main and secondary forest roads in a par...

Journal: :iranian journal of nursing and midwifery research 0
asghar khalife‑zadeh safoura dorri saeed shafiee

abstract background: acute coronary syndrome is one of the major cardiovascular diseases that leads to a significant amount of morbidity. the purpose of the present study was to investigate the effect of cardiac rehabilitation on quality of life in patients with acute coronary syndrome. materials and methods: this was a clinical trial study conducted on 50 patients with acute coronary syndrome ...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2006
Jon E Keeley

Fire management practices affect alien plant invasions in diverse ways. I considered the impact of six fire management practices on alien invasions: fire suppression, forest fuel reduction, prescription burning in crown-fire ecosystems, fuel breaks, targeting of noxious aliens, and postfire rehabilitation. Most western United States forests have had fire successfully excluded for unnaturally lo...

2006
F. R. LAMBERT N. J. COLLAR

The Sundaic region, comprising southern Peninsular Thailand, the Malay Peninsula and the Greater Sunda Islands of Borneo, Sumatra and Java, plus Palawan (Philippines), supports a diverse resident landbird avifauna. Many species are shared between islands (e.g. Borneo shares 61% of species with Java; the Greater Sunda Islands share 74–87% of birds with the Malay Peninsula), but there is also a m...

Journal: :Water Science & Technology: Water Supply 2023

Abstract A water ecosystem is a dynamic balance system with certain structure and function, which composed of aquatic organism community environment interaction mutual restriction through material circulation energy flow. Living in an urban for long time can make people suffer from ‘urban disease’, seriously affect their physical mental health. Forest rehabilitation new form outdoor activity ma...

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