Results 91 to 100 of about 7,074 (281)

Ecological and economic tradeoffs between herring fisheries and whale watching in New England [PDF]

open access: yes
The whale-watching industry is an important component of the New England regional economy with about one million tourism visitors. Humpback whales are the most popular whale-watching targets, whose primary activity in this area is feeding that mainly on ...
Yan, Lingxiao
core  

Whale Watching: The Roles of Small Firms in the Evolution of a New Australian Niche Market [PDF]

open access: yes, 2004
This chapter provides two comparative case studies focusing on the roles of small businesses in the development of a new niche market and traces their interaction with small communities.
Laws, Eric, Scott, Noel
core   +1 more source

Twenty years of dynamic occupancy models: a review of applications and look to the future

open access: yesEcography, EarlyView.
Since their introduction over 20 years ago, dynamic occupancy models (DOMs) have become a powerful and flexible framework for estimating species occupancy across space and time while accounting for imperfect detection. As their popularity has increased and extensions have further expanded their capabilities, DOMs have been applied to increasingly ...
Saoirse Kelleher   +3 more
wiley   +1 more source

Climate change stands as the new challenge for whale watching and North Pacific gray whales (Eschrichtius robustus) in Bahia Magdalena, Mexico, after their recovery from overexploitation

open access: yesFrontiers in Conservation Science
IntroductionSocial-ecological systems (SES) recognize the intricate relationship between human activities and the environment and advocate for comprehensive approaches to address complex environmental issues.
Omar García-Castañeda   +12 more
doaj   +1 more source

Financing Marine Conservation: A Menu of Options [PDF]

open access: yes, 2004
This guide describes over 30 mechanisms for financing the conservation of marine biodiversity, both within and outside of MPAs. Its main purpose is to familiarize conservation professionals i.e., the managers and staff of government conservation agencies,
Barry Spergel, Melissa Moye
core  

Probabilistic Multi‐Objective Energy Management System Model for an Energy Hub With PtG Technology for Cost Reduction and System Flexibility Improvement

open access: yesEnergy Science &Engineering, EarlyView.
Overview of the under‐study hub energy model showing the energy conversion and distribution among integrated sources and loads. ABSTRACT In this paper, a probabilistic bi‐objective energy management system (EMS) model is proposed for an energy hub (EH) equipped with renewable energy sources such as photovoltaic and wind turbine connected to the main ...
Mohammad Khoshabi   +3 more
wiley   +1 more source

Soundwatch: Eighteen years of monitoring whale watch vessel activities in the Salish Sea.

open access: yesPLoS ONE, 2017
The Soundwatch Boater Education Program is a vessel monitoring and public education outreach program. Soundwatch has been run by The Whale Museum (TWM) during the whale watch season (May through September) in the Haro Strait Region of the Central Salish ...
Elizabeth Seely   +3 more
doaj   +1 more source

ISER Working Paper 2009.1 [PDF]

open access: yes, 2009
In this report we calculate the economic importance of nature-based tourism in Southeast Alaska as measured by business revenue. Our estimates are based on field research conducted during 2005, 2006 and 2007.
Colt, Steve   +3 more
core  

Similar Material Simulation Study on Dam Movement and Deformation Law of Deep Coal Seam Mining Under Dam

open access: yesEnergy Science &Engineering, EarlyView.
Aiming at the difficulties in accurately calculating the movement and deformation of small‐sized, deep‐buried dams with a significant height‐to‐depth ratio in deep fully mechanized caving mining, this study proposes to separate the analysis of surface and dam deformation.
Zhang Feng   +7 more
wiley   +1 more source

Robust Control Using a Matrix Converter to Enhance Wind Turbine Systems

open access: yesEnergy Science &Engineering, EarlyView.
This study uses a more efficient and effective solution to improve the operational performance of a wind turbine‐based power system. This system uses a doubly fed induction generator and relies on a matrix converter and fractional‐order proportional–integral controller.
Sihem Ghoudelbourk   +4 more
wiley   +1 more source

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