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A turtle's dangerous journey
\"A turtle is making her way across a highway to find a nesting spot. She avoids being run over, only to find trash in the nesting grounds, which attracts predators. Will the turtle survive this dangerous journey? This narrative nonfiction title includes a range map, notes on how to help turtles, further resources, and a glossary\"-- Provided by publisher.
Book
A Clouded Leopard in the Middle of the Road
A Clouded Leopard in the Middle of the
Road is an eye-opening introduction to the
ecological impacts of roads. Drawing on over ten years of
active engagement in the field of road ecology, Darryl Jones sheds
light on the challenges roads pose to wildlife-and the solutions
taken to address them.
One of the most ubiquitous indicators of human activity, roads
typically promise development and prosperity. Yet they carry with
them the threat of disruption to both human and animal lives. Jones
surveys the myriad, innovative ways stakeholders across the world
have sought to reduce animal-vehicle collisions and minimize
road-crossing risks for wildlife, including efforts undertaken at
the famed fauna overpasses of Banff National Park, the Singapore
Eco-Link, \"tunnels of love\" in the Australian Alps, and others.
Along the way, he acquaints readers with concepts and research in
road ecology, describing the field's origins and future directions.
Engaging and accessible, A Clouded Leopard in the Middle of the
Road brings to the foreground an often-overlooked facet of
humanity's footprint on earth.
eBook
10 things you can do to protect animals
\"Introduces the reader to things they can do to protect animals\"-- Provided by publisher.
Book
Review of the Edwards Aquifer Habitat Conservation Plan
The Edwards Aquifer in south-central Texas is the primary source of water for one of the fastest growing cities in the United States, San Antonio, and it also supplies irrigation water to thousands of farmers and livestock operators. It is also is the source water for several springs and rivers, including the two largest freshwater springs in Texas that form the San Marcos and Comal Rivers. The unique habitat afforded by these spring-fed rivers has led to the development of species that are found in no other locations on Earth. Due to the potential for variations in spring flow caused by both human and natural causes, these species are continuously at risk and have been recognized as endangered under the federal Endangered Species Act (ESA).
In an effort to manage the river systems and the aquifer that controls them, the Edwards Aquifer Authority and stakeholders have developed a Habitat Conservation Plan (HCP). The HCP seeks to effectively manage the river-aquifer system to ensure the viability of the ESA-listed species in the face of drought, population growth, and other threats to the aquifer. The National Research Council was asked to assist in this process by reviewing the activities around implementing the HCP. Review of the Edwards Aquifer Habitat Conservation Plan: Report 1 is the first stage of a three-stage study. This report reviews the scientific efforts that are being conducted to help build a better understanding of the river-aquifer system and its relationship to the ESA-listed species. These efforts, which include monitoring and modeling as well as research on key uncertainties in the system, are designed to build a better understanding of how best to manage and protect the system and the endangered species. Thus, the current report is focused specifically on a review of the hydrologic modeling, the ecological modeling, the water quality and biological monitoring, and the Applied Research Program. The fundamental question that Review of the Edwards Aquifer Habitat Conservation Plan: Report 1 addresses is whether the scientific initiatives appropriately address uncertainties and fill knowledge gaps in the river-aquifer system and the species of concern. It is hoped that the successful completion of these scientific initiatives will ultimately lead the Edwards Aquifer Authority to an improved understanding of how to manage the system and protect these species.
eBook
Where in the wild
\"Animals are found in every environment around the world from the rain forest to the savanna to the desert. Some creatures, like butterflies and foxes, can survive in many different habitats. Lyrical text and stunning illustrations bring to life the inhabitants of these unique environments\"--Jacket.
Book
Strategic Habitat Conservation for Beach Mice
The Perdido Key beach mouse (Peromyscus polionotus trissyllepsis), Choctawhatchee beach mouse (P. p. allophrys), and St. Andrew beach mouse (P. p. peninsularis) are 3 federally endangered subspecies that inhabit coastal dunes of Alabama and Florida, USA. Conservation opportunities for these subspecies are limited and costly. Consequently, well-targeted efforts are required to achieve their downlisting criteria. To aid the development of targeted management scenarios that are designed to achieve downlisting criteria, we developed a Bayesian network model that uses habitat characteristics to predict the probability of beach mouse presence at a 30-m resolution across a portion of the Florida Panhandle. We then designed alternative management scenarios for a variety of habitat conditions for coastal dunes. Finally, we estimated how much area is needed to achieve the established downlisting criterion (i.e., habitat objective) and the amount of effort needed to achieve the habitat objective (i.e., management efficiency). The results suggest that after 7 years of post-storm recolonization, habitat objectives were met for Perdido Key (within its Florida critical habitat) and Choctawhatchee beach mice. The St. Andrew beach mouse required 5.14 km² of additional critical habitat to be protected and occupied. The St. Andrew beach mouse habitat objective might be achieved by first restoring protected critical habitat to good dune conditions and then protecting or restoring the unprotected critical habitat with the highest predicted probability of beach mouse presence. This scenario provided a 28% increase in management efficiency compared to a scenario that randomly protected or restored undeveloped unprotected critical habitat. In total, when coupled with established downlisting criteria, these quantitative and spatial decision support tools could provide insight into how much habitat is available, how much more is needed, and targeted conservation or restoration efforts that might efficiently achieve habitat objectives.
Journal Article
Fire Management, Managed Relocation, and Land Conservation Options for Long‐Lived Obligate Seeding Plants under Global Changes in Climate, Urbanization, and Fire Regime
Most species face multiple anthropogenic disruptions. Few studies have quantified the cumulative influence of multiple threats on species of conservation concern, and far fewer have quantified the potential relative value of multiple conservation interventions in light of these threats. We linked spatial distribution and population viability models to explore conservation interventions under projected climate change, urbanization, and changes in fire regime on a long‐lived obligate seeding plant species sensitive to high fire frequencies, a dominant plant functional type in many fire‐prone ecosystems, including the biodiversity hotspots of Mediterranean‐type ecosystems. First, we investigated the relative risk of population decline for plant populations in landscapes with and without land protection under an existing habitat conservation plan. Second, we modeled the effectiveness of relocating both seedlings and seeds from a large patch with predicted declines in habitat area to 2 unoccupied recipient patches with increasing habitat area under 2 projected climate change scenarios. Finally, we modeled 8 fire return intervals (FRIs) approximating the outcomes of different management strategies that effectively control fire frequency. Invariably, long‐lived obligate seeding populations remained viable only when FRIs were maintained at or above a minimum level. Land conservation and seedling relocation efforts lessened the impact of climate change and land‐use change on obligate seeding populations to differing degrees depending on the climate change scenario, but neither of these efforts was as generally effective as frequent translocation of seeds. While none of the modeled strategies fully compensated for the effects of land‐use and climate change, an integrative approach managing multiple threats may diminish population declines for species in complex landscapes. Conservation plans designed to mitigate the impacts of a single threat are likely to fail if additional threats are ignored. Manejo de Incendios, Reubicación Administrada y Opciones de Conservación de Suelo para Plantas de Vida Larga con Sembrado Obligado bajo los Cambios Globales en el Clima, la Urbanización y el Régimen de Incendios
Journal Article
Science and the Endangered Species Act
The Endangered Species Act (ESA) is a far-reaching law that has sparked intense controversies over the use of public lands, the rights of property owners, and economic versus environmental benefits.
In this volume a distinguished committee focuses on the science underlying the ESA and offers recommendations for making the act more effective.
The committee provides an overview of what scientists know about extinction-and what this understanding means to implementation of the ESA. Habitat-its destruction, conservation, and fundamental importance to the ESA-is explored in detail.
The book analyzes:
Concepts of species-how the term \"species\" arose and how it has been interpreted for purposes of the ESA.
Conflicts between species when individual species are identified for protection, including several case studies.
Assessment of extinction risk and decisions under the ESA-how these decisions can be made more effectively.
The book concludes with a look beyond the Endangered Species Act and suggests additional means of biological conservation and ways to reduce conflicts. It will be useful to policymakers, regulators, scientists, natural-resource managers, industry and environmental organizations, and those interested in biological conservation.
eBook