As a science-based organization, the Xerces Society produces dozens of publications annually, all of which employ the best available research to guide effective conservation efforts. Our publications range from guidelines for land managers, to brochures offering overviews of key concepts related to invertebrate conservation, from books about supporting pollinators in farmland, to region-specific plant lists. We hope that whatever you are seeking—whether it's guidance on making a home or community garden pollinator-friendly, advice on developing a local pesticide reduction strategy, or detailed information on restoring habitat—you will find it here!
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The threatened species categories used in Red Data Books and Red Lists have been in place for almost 30 years. The IUCN Red List Categories and Criteria provide an easily and widely understood system for classifying species at high risk of global extinction, so as to focus attention on conservation measures designed to protect them. This latest version of the classification system was adopted by the IUCN Council in February 2001 and reflects comments from the IUCN and SSC memberships and the final meeting of the Criteria Review Working Group.
Washington State
The objective of this conservation strategy is to identify geographic areas within the state of Washington with the highest potential to support rare and declining bumble bee species and provide guidance and recommendations for management of those areas. Maintaining sufficient populations of each focal species is essential to the long-term persistence of these animals. This will require protecting and enhancing habitat for foraging, nesting, and overwintering, while ensuring connectivity between habitat areas, across jurisdictions.
Distributions, Threats, and Conservation Recommendations
Anecdotal reports of firefly declines have been on the rise in recent decades. While population declines have been documented for some species in Europe and Asia, the picture was not as clear in North America. With the exception of a few localized studies, no effort had previously been made to assess the conservation status of the 171 described taxa in the United States and Canada.
This insectary cover crop field trial was part of a larger project involving the design and implementation of specific insectary habitat features, such as field borders or cover crops, and measuring some of the resource benefits of these features. Click the following links to read additional California habitat trial reports:
Insectary Wildlife Habitat Trial: California Mixed Vegetable Farm
This insectary cover crop field trial was part of a larger project involving the design and implementation of specific insectary habitat features, such as field borders or cover crops, where we measured the diverse resource benefits of these features. Click the following links to read additional California habitat trial reports:
This field trial was part of a larger project which involved designing and implementing specific insectary habitat features, such as field borders or cover crops, and measuring some of the resource benefits of these features. Click the following links to read additional California habitat trial reports:
Report from WWF–Mexico about the overwintering monarch colonies in Mexico
The report from WWF–Mexico containing results from the survey and monitoring of the monarch overwintering colonies in Mexico during the 2020-2021 season.
Report from WWF–Mexico about condition of forests in monarch overwintering sites Mexico
Report from WWF–Mexico about the condition of forest and changes in forest cover in the core area of the Monarch Butterfly Biosphere Reserve in Mexico during the period 2019 to 2020.
How Dicamba Herbicides are Harming Cultivated and Wild Landscapes
More than five million acres of crops, an area roughly the size of New Jersey, have been injured by the herbicide dicamba since the U.S. EPA conditionally registered three new formulations for in-crop applications in dicamba-resistant soybeans and cotton in 2016. Damage from this highly mobile herbicide does not stop at the field edge: dicamba drift places tens of millions of acres of wild and ornamental plants—and the wildlife these plants support—at risk.
This report provides an assessment of overwintering sites of western populations of the monarch butterfly in California. From data collected at over 400 sites, the report summarizes existing overwintering trends and identifies the highest priority sites for active management and protection.
