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Tortuguero National Park, Costa Rica: Baseline CO
2
Emissions from Boat Tours into the Channels System
(Articles)
Irene Alvarado-Van der Laat
Low Carbon Economy
Vol.5 No.1
,March 7, 2014
DOI:
10.4236/lce.2014.51003
5,189
Downloads
7,333
Views
Citations
Influence of Combustion Chamber Design Parameters and Intake Environments on Spark Ignition Engine Performance and Exhaust Gas Emission
(Articles)
Ali S. Al-Shahrany
,
Ahmed S. A. Hassan
Open Journal of Applied Sciences
Vol.12 No.6
,June 22, 2022
DOI:
10.4236/ojapps.2022.126064
169
Downloads
2,007
Views
Citations
Seasonal Differences in Visitor Perceptions: A Comparative Study of Three Mountainous National Parks in Central Europe
(Articles)
Tomas Gorner
,
Martin Cihar
Journal of Environmental Protection
Vol.2 No.8
,October 18, 2011
DOI:
10.4236/jep.2011.28120
6,412
Downloads
10,553
Views
Citations
Ecotourism, Stated Preferences, a Paradox between Environmental Awareness and Environmental Actions: The Case of Monteverde, Costa Rica
(Articles)
Irene Alvarado-Van der Laat
Low Carbon Economy
Vol.6 No.4
,December 18, 2015
DOI:
10.4236/lce.2015.64011
5,247
Downloads
6,370
Views
Citations
How Should We Manage China’s National Parks? A Comparative Analysis between National Parks in China and the US
(Articles)
Linghong Kong
,
Yangcui Ning
,
Long Chen
Open Access Library Journal
Vol.5 No.12
,December 26, 2018
DOI:
10.4236/oalib.1104030
572
Downloads
2,504
Views
Citations
Air Navigation & Tourism on Trial: Current Controversy into the EU Regulation
(Articles)
F. Javier Heredia Yzquierdo
,
Antonio Sánchez-Bayón
Modern Economy
Vol.6 No.5
,May 26, 2015
DOI:
10.4236/me.2015.65057
3,114
Downloads
3,973
Views
Citations
Assembly Line Balancing Using Fuzzy Logic: A Case Study of a Tricycle Assembly Line
(Articles)
Anthony I. Unuigbe
,
Henry A. Unuigbe
,
Eddy O. Aigboje
,
Polycarp A. Ehizibue
Open Journal of Optimization
Vol.5 No.2
,June 15, 2016
DOI:
10.4236/ojop.2016.52008
2,652
Downloads
4,986
Views
Citations
Geomorphic Processes, Rock Quality and Solid Waste Management—Examples from the Mt. Everest Region of Nepal
(Articles)
Eva Posch
,
Rainer Bell
,
Johannes Thomas Weidinger
,
Thomas Glade
Journal of Water Resource and Protection
Vol.7 No.16
,November 11, 2015
DOI:
10.4236/jwarp.2015.716105
4,447
Downloads
7,382
Views
Citations
The Evaluation of Liquefied Petroleum Gas (LPG) Utilization as an Alternative Automobile Fuel in Nigeria
(Articles)
Yvonne H. Ukpaukure
,
Victor Aimikhe
,
Mohammed Ojapah
Open Journal of Energy Efficiency
Vol.12 No.1
,March 31, 2023
DOI:
10.4236/ojee.2023.121001
127
Downloads
964
Views
Citations
Assessing the Impact of Fugitive Dust Emissions from Cement Silos at Cluster of Concrete Batching Facilities Using Air Dispersion Modeling
(Articles)
Ahmed El-Said Rady
,
Ashraf A. Zahran
,
Mokhtar S. Beheary
,
Mossad El-Metwally
Journal of Environmental Protection
Vol.14 No.5
,May 31, 2023
DOI:
10.4236/jep.2023.145022
267
Downloads
4,979
Views
Citations
Study of Integral Variable Structure Control Method for Stability of SI Engine Idling Speed
(Articles)
Yang Zhang
,
Nobuo Kurihara
Journal of Software Engineering and Applications
Vol.3 No.8
,August 26, 2010
DOI:
10.4236/jsea.2010.38094
4,957
Downloads
8,577
Views
Citations
Effect of Palm Oil Biodiesel Blends on Engine Emission and Performance Characteristics in an Internal Combustion Engine
(Articles)
Alpha Chukwumela Ajie
,
Mohammed Moore Ojapah
,
Endurance Ogheneruona Diemuodeke
Open Journal of Energy Efficiency
Vol.12 No.1
,March 31, 2023
DOI:
10.4236/ojee.2023.121002
210
Downloads
1,196
Views
Citations
Rural Tourism in the South of Spain: An Opportunity for Rural Development
(Articles)
Genoveva Millán Vázquez de la Torre
,
Luis Amador Hidalgo
,
Juan Manuel Arjona Fuentes
Modern Economy
Vol.5 No.2
,February 19, 2014
DOI:
10.4236/me.2014.52017
6,923
Downloads
10,929
Views
Citations
Environmental Assessment for Health Tourism in Baños de Agua Santa, Ecuador
(Articles)
Gutiérrez L. Ruiz
,
Cespedes D. García
,
Ramirez R. Covarrubias
Journal of Environmental Protection
Vol.8 No.7
,June 29, 2017
DOI:
10.4236/jep.2017.87050
1,059
Downloads
2,291
Views
Citations
Adverse Environmental Effects of Tourism on Communities in the Ecuadorian Highlands Region
(Articles)
Lourdes Ruiz
Current Urban Studies
Vol.5 No.3
,September 1, 2017
DOI:
10.4236/cus.2017.53019
1,250
Downloads
3,212
Views
Citations
Engine Performance and Exhaust Emissions of Peanut Oil Biodiesel
(Articles)
Bjorn S. Santos
,
Sergio C. Capareda
,
Jewel A. Capunitan
Journal of Sustainable Bioenergy Systems
Vol.3 No.4
,December 6, 2013
DOI:
10.4236/jsbs.2013.34037
5,659
Downloads
11,604
Views
Citations
Comparative Analysis of PM10 Emission Rates from Controlled and Uncontrolled Cement Silos in Concrete Batching Facilities
(Articles)
Ahmed El-Said Rady
,
Mokhtar S. Beheary
,
Mossad El-Metwally
,
Ashraf A. Zahran
Open Journal of Air Pollution
Vol.12 No.2
,June 30, 2023
DOI:
10.4236/ojap.2023.122004
161
Downloads
5,201
Views
Citations
Are Traditionally Used Resources within Conservation Areas a Function of Their Sizes?
(Articles)
Thokozani Simelane
Natural Resources
Vol.2 No.2
,June 17, 2011
DOI:
10.4236/nr.2011.22018
4,008
Downloads
8,766
Views
Citations
A theoretical framework for investigating ecological problems associated with biodiversity conservation in national parks: A case of the Rwenzori Mountains National Park, Uganda
(Articles)
Moses Muhumuza
,
Martie Sanders
,
Kevin Balkwill
Open Journal of Ecology
Vol.3 No.2
,May 16, 2013
DOI:
10.4236/oje.2013.32023
7,247
Downloads
13,039
Views
Citations
Evaluation of the Advanced Minning Front Craft in and around National Parks of the Benue and Bouba-Ndjidda in North Cameroon
(Articles)
Aoudou Doua Sylvain
,
Narke Jean Cyrille
,
Mayen Ndiong Bertille
Journal of Geographic Information System
Vol.10 No.4
,August 24, 2018
DOI:
10.4236/jgis.2018.104024
830
Downloads
1,800
Views
Citations
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