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. 2024 May 7;19(5):e0284255. doi: 10.1371/journal.pone.0284255

Table 3. Selected articles that evaluated environmental stewardship interventions.

Authors Year Actors Intervention Results
Outcome: Increased participation in protection, conservation and/or ecosystem services on privately-owned rural lands
Adams et al. 2012 Private land managers Financial stewardship program Compared potential costs of required actions to financial payment. Estimated $AU1million/year needed to cover 90% of catchment area
Ambrose et al. 2006 Landowners and managers Awareness and management program for riparian land 19% of participants learnt new information, 21% likely to implement change, 100% with frequent interactions learnt new information compared to 70% with little interaction. Diverse interactions led to altered management.
Czap et al. 2019 Farmers Recruitment letters for participation in Conservation Stewardship program Personalised letter with hand-written phrase better than personalised all standard typed which was better than photocopied letter and no letter
Outcome: Increased participation in protection, conservation, restoration and / or resource management of natural environment on public lands
Pillemer et al. 2017 Older adult volunteers Retirees in Service to the Environment program Successful in recruiting new individuals and providing substantial hours of volunteer time to communities. Program satisfaction high and positive outcomes from participation
Popp et al. 2020 Indigenous locals Indigenous Guardianship monitoring and management programs Enhances monitoring and management initiatives with inclusion of indigenous participation, knowledge and local information
Outcome: Enhanced connection to nature and / or environmental stewardship values, attitudes and capacity
Aguilar et al. 2008 3rd-5th grade students School gardening program Both treatment and control developed positive attitudes and locus of control related to environment. Differences between previous garden experiences, gender and ethnicity.
Andrejewski 2012 5th grade students Outdoor school program Treatment showed increase nature connections, ecological knowledge, stewardship behaviour compared with control
Baird et al. 2020 General public Outdoor Experiential NOLS course Affirms NOLS environmental ethic: connection to nature leads to environmental concern and protection which engenders positive pro-environmental intentions
Ballard et al. 2017 Youth Coastal program and water quality monitoring program Each project developed different aspects of environmental science agency (understanding of environmental science, inquiry practices, identification with these practices and developing belief in importance of ecosystem)
Cudworth 2020 Children Forest School programs Involvement promoted reconnection to nature, benefited well-being and promoted pro-environmental attitudes and behaviour
Ernst 2017 Families Nature play programs at zoos and aquariums Involvement helped overcome barriers to spending time in nature
Gallay et al. 2016 Rural students Place-based stewardship education Significant increase in environmental awareness and behaviours, community attachment, confidence for action and increase in commitment
Griffin et al. 2016 High school students Wildlife Conservation Camp Moderate to large increase in knowledge and conservation interest, major influence on course of life career choice
Merenlender et al 2016 General public volunteers Naturalist programs covering weed management and habitat restoration Participants increased knowledge about ecosystems, greater confidence in conservation and continued engagement in citizen science
Pitt et al. 2019 Secondary school students Forest Service citizen science projects Programs incorporating both science and environmental education created ecological literacy among participants
Powell et al. 2018 Youth (8–13 years old) Junior Ranger program Immediate influences om awareness, interest and cognitive engagement which has influence on intentions and behaviour
Schwass et al. 2021 Participants Outward Bound expeditions Positive association between exposure to nature and increased sense of connection and stewardship towards nature, change in values, lifestyle choice and inspire action to improve state of environment
Stern et al. 2008 Participants Residential Environmental Education program Positive short-term effects on connection to nature, interest in learning and discovery, awareness of biodiversity and conservation lands, need for stewardship. Larger courses enhances outcomes
Outcome: Direct benefit to environment
Ramirez-Reyes et al. 2018 Landholders Reduction in deforestation and forest fragmentation offered by Payment for Ecosystems Services Payment reduced total area of deforestation and fragmentation but may have increased incentive for landholders to hide deforestation in ways that increased fragmentation and habitat loss
Still & Byfield 2010 Landholders Protection of endangered plant species offered by Environmental Stewardship programs Entry level program only had potential to protect 15% of plant species while higher level program had potential for 89% of species. Complex requirements of many rare plants outside of both programs scope