منابع مشابه
Low Carbon Footprint Routes for Bird Watching
Bird watching is one of many recreational activities popular in ecotourism. Its popularity, therefore, prompts the need for studies on energy conservation. One such environmentally friendly approach toward minimizing bird watching’s ecological impact is ensuring a reduced carbon footprint by using an economic travel itinerary comprising a series of connected routes between tourist attractions t...
متن کاملDEBATE causal description: moving beyond stamp collecting in political science
The articles by Kees van Kersbergen and Daniele Caramani constitute an impressive joint plea in favour of descriptive analyses within comparative politics. They also warn, less convincingly, against an alleged obsession of the discipline with variation that, according to them, does not do justice to the similarity of many cases. This response demonstrates that limiting the analysis to similar c...
متن کاملA mobile learning system for scaffolding bird watching learning
This paper develops a mobile learning system for scaffolding students learning about bird-watching. The aim is to construct an outdoor mobile-learning activity using up-to-date wireless technology. The proposed Bird-Watching Learning (BWL) system is designed using a wireless mobile ad-hoc network. In the BWL system, each learner has a PDA (Personal Digital Assistant) with a Wi-Fi-based (IEEE 80...
متن کاملThe ImporTance, effecTs, and eThIcs of BIrd collecTIng
— 690 — The Auk, Vol. 127, Number 3, pages 690−695. ISSN 0004-8038, electronic ISSN 1938-4254. 2010 by The American Ornithologists’ Union. All rights reserved. Please direct all requests for permission to photocopy or reproduce article content through the University of California Press’s Rights and Permissions website, http://www.ucpressjournals. com/reprintInfo.asp. DOI: 10.1525/auk.2010.091...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1982
ISSN: 0028-0836,1476-4687
DOI: 10.1038/299011a0