A Conservation Institution for the 21st Century: Implications for State Wildlife Agencies

Jacobson, Cynthia A.; Organ, John F.; Decker, Daniel J.; Batcheller, Gordon R.; Carpenter, Len H.

doi:10.2193/2008-485

Cited by 95 publications

(96 citation statements)

References 18 publications

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“…Landowners and development are often viewed as threats to conservation (Jacobson et al, 2010), yet antagonistic views of these stakeholders can Table 2. Average be unwarranted.…”

Section: Conservation Challenges and Opportunitiesmentioning

confidence: 99%

Living on the Edge: Hawksbill turtle nesting and conservation along the Eastern Pacific Rim

Gaos

Liles

Gadea

et al. 2017

lajar

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ABSTRACT. Prior to 2007, efforts to monitor and conserve hawksbill turtles (Eretmochelys imbricata) in the eastern Pacific Ocean were opportunistic and records were virtually non-existent. The first abundance estimates were published in 2010, but contained limited data on the species. Ongoing research since that time has led to the identification of several rookeries, including sites containing large proportions of the overall hawksbill nesting currently known to occur in the region. Monitoring projects were established at several sites and have since provided substantial nesting data on the species. Here we summarize data collected between 1983 and March 2016 from all sites (n = 9) confirmed to host >10 nests in any given season to provide an update on hawksbill nesting in the eastern Pacific. We documented a total of 3,508 hawksbill nests, 265,024 hatchlings and 528 individual nesting females in the region. The vast majority of these records (99.4%, 99.9% and 99.6%, respectively) were generated subsequent to 2007, coinciding with the discovery of eight of the nine rookeries included in this study and the organization of monitoring efforts at those sites, which led to the increased documentation conferred here. Our findings should not be misconstrued as increases in actual nesting or signs of recovery, which could diminish the ongoing need for conservation actions, but rather as optimism, that there is still an opportunity to restore the species in the eastern Pacific. The top three sites in terms of average annual number of nests were Estero Padre Ramos (Nicaragua; 213.2 ± 47.6 nests), Bahia de Jiquilisco (El Salvador; 168.5 ± 46.7 nests) and Aserradores (Nicaragua; 100.0 ± 24.0 nests), and all three sites are located in mangrove estuaries in Central America, highlighting the importance of these rookeries/habitats for the survival and recovery of hawksbills in the region. The remaining six sites received between 6.9 ± 7.3 nests (Costa Careyes, Mexico) and 59.3 ± 17.7 nests (Los Cobanos, El Salvador) annually. By integrating data collected on nesting hawksbills with local conservation realities at the most important known hawksbill rookeries in the eastern 572 2 Latin American Journal of Aquatic Research Pacific, we provide a more holistic view of the conservation status and management needs of the species in this ocean region.

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“…Landowners and development are often viewed as threats to conservation (Jacobson et al, 2010), yet antagonistic views of these stakeholders can Table 2. Average be unwarranted.…”

Section: Conservation Challenges and Opportunitiesmentioning

confidence: 99%

Living on the Edge: Hawksbill turtle nesting and conservation along the Eastern Pacific Rim

Gaos

Liles

Gadea

et al. 2017

lajar

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“…Wildlife professionals using appropriate new technology can attain credibility with the public and increase public trust in government regulation of wildlife populations (Jacobson et al 2010;Smith 2011). Perhaps more important, IR technology may increase the precision and efficiency of sage-grouse monitoring programs while releasing time and resources for other conservation efforts.…”

Section: Management Implicationsmentioning

confidence: 99%

Can Reliable Sage-Grouse Lek Counts Be Obtained Using Aerial Infrared Technology?

Gillette

Coates

Petersen

et al. 2013

Journal of Fish and Wildlife Management

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More effective methods for counting greater sage-grouse (Centrocercus urophasianus) are needed to better assess population trends through enumeration or location of new leks. We describe an aerial infrared technique for conducting sage-grouse lek counts and compare this method with conventional ground-based lek count methods. During the breeding period in 2010 and 2011, we surveyed leks from fixed-winged aircraft using cryogenically cooled mid-wave infrared cameras and surveyed the same leks on the same day from the ground following a standard lek count protocol. We did not detect significant differences in lek counts between surveying techniques. These findings suggest that using a cryogenically cooled mid-wave infrared camera from an aerial platform to conduct lek surveys is an effective alternative technique to conventional ground-based methods, but further research is needed. We discuss multiple advantages to aerial infrared surveys, including counting in remote areas, representing greater spatial variation, and increasing the number of counted leks per season. Aerial infrared lek counts may be a valuable wildlife management tool that releases time and resources for other conservation efforts. Opportunities exist for wildlife professionals to refine and apply aerial infrared techniques to wildlife monitoring programs because of the increasing reliability and affordability of this technology.

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“…These benefits accrue whether beneficiaries are aware of them or not and go beyond the interests and uses trustees have historically sought to balance . PTT has been advanced as a potential solution to contemporary environmental challenges including atmospheric pollution (Coplan, 2010;Wood, 2012), wildlife conservation (Jacobson, Organ, Decker, Batcheller, & Carpenter, 2010;Meyers, 1989), marine ecosystem governance (Turnipseed, Crowder, Sagarin, & Roady, 2009), and access to potable water (Takacs, 2008) and ecosystem services (Ruhl & Salzman, 2007). Protecting ecosystems generally, not just specific components or uses, should be a priority for trustees (Bosselmann et al, 2012;Weiss, 1992;Ruhl & Salzman, 2007;Wood, 2014).…”

Section: Principle 1: Human Well-being Is Dependent On Benefits Provimentioning

confidence: 99%

“…It is therefore imperative that trustees consider impacts of their decisions in the broadest terms. Policies or management practices that privilege individual beneficiaries or groups are inconsistent with PTT (Horner, 2000;Jacobson et al, 2010;Wood, 2009).…”

Section: Principle 3: All Beneficiaries Are Equalmentioning

confidence: 99%

Principles of Public Trust Thinking

Hare

Blossey

2014

Human Dimensions of Wildlife

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A Conservation Institution for the 21st Century: Implications for State Wildlife Agencies

Cited by 95 publications

References 18 publications

Living on the Edge: Hawksbill turtle nesting and conservation along the Eastern Pacific Rim

Living on the Edge: Hawksbill turtle nesting and conservation along the Eastern Pacific Rim

Can Reliable Sage-Grouse Lek Counts Be Obtained Using Aerial Infrared Technology?

Principles of Public Trust Thinking

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