IUCN, the International Union for Conservation of Nature

Ecosphere, the newest addition to the ESA family of journals, is an online-only, open-access alternative with a scope as broad as the science of ecology itself.  The journal publishes submissions from all subdisciplines of ecological science, including theoretical, empirical, and applied ecology.

The Directory of Open Access Journals lists accessible resources - including, targeted lists for biology and earth and environmental sciences.

Open Access Publishing in European Networks (OAPEN) has announced the launch of a beta version of the Directory of Open Access Books (DOAB). This tool enables users to search for peer reviewed books and provides a searchable index to information about books published under an Open Access license and links to the full-text of these materials. The resource currently contains 755 academic peer-reviewed books from 23 publishers, with new documents added regularly. For more information on the Directory of Open Access Books or to use this tool to find useful publications relating to your work, visit the DOAB website.

A Journal of integrative science for resilience and sustainability

ProQuest's peer-reviewed, open access e-journal
Sustainability: Science, Practice & Policy is a new data discovery tool that enables users to search more than 3,000 records containing information on tens of thousands of public datasets from the US federal government via data.gov.

Pastoralism: Research, Policy and Practice is an interdisciplinary journal dedicated to relevant research on livestock production systems for use in influencing public policy, improving the welfare of pastoralists, and assisting with the conservation of environments in which they live. All articles are published open access and are free for consultation and download. For more information on this periodical, visit the journal's website and take a look at the recent thematic collection of articles on wildlife and pastoralism.

Ornis Fennica is a peer-reviewed international ornithological journal published by BirdLife Finland. Ornis Fennica publishes descriptive, analytical and experimental papers on the ecology, behaviour and biogeography of birds. The geographical emphasis of Ornis Fennica is on Fennoscandia, but papers from other regions will also be considered.

PloS Biology
A peer-reviewed open access journal published by the Public Library of Science (a nonprofit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource).

PloS Biodiversity
Public Library of Science (PLos) launches a new website devoted to biodiversity.PLoS Hubs: Biodiversity is intended to help connect users with open-access research, provide additional relevant data and enable participation in a community forum on specific topics.
More information is available from the site as well at PLoS's blog.

PLoS ONE A peer-reviewed, open access journal
http://www.plosone.org

Diversity:  an open access journal of the science of biodiversity, is published by MDPI online quarterly.
http://www.mdpi.com/journal/diversity

ZooKeys: Launched to accelerate biodiversity research.
Zookeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematic zoology, phylogeny and biogeography
http://www.pensoft.net/journals/zookeys

Journal of Threatened Taxa
Willdife Information Liaison Development
Journal of Threatened Taxa is indexed/abstracted in Bibliography of Systematic Mycology, Biological Abstracts, BIOSIS Previews, CAB Abstracts, EBSCO, Google Scholar, Index Copernicus, Index Fungorum, Zoological Records
http://threatenedtaxa.org/

Conservation Evidence
Providing evidence to support decisions about nature conservation
http://www.conservationevidence.com/

BMC Ecology is an open access, peer-reviewed journal that considers articles on environmental, behavioral and population ecology as well as biodiversity of plants, animals and microbes.
http://www.biomedcentral.com/bmcecol/

Frontiers in Zoology is an open access, peer-reviewed online journal publishing high quality research articles and reviews on all aspects of animal life.

Environmental Evidence facilitates rapid publication of systematic reviews and evidence syntheses on the effectiveness of environmental management interventions and on the impact of human activities on the environment.

The Journal of Flora and Fauna International always makes the most recent January issue free on line. Jan 2010 issue.

Science has a free subscription option that provides access to the full text of science research articles at least one year old and published after 1996.

JOURNAL TOCs
Search the latest Tables of Contents from thousands of scholarly journals collected from 614 top publishers. More journals are added continuously.

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ResourceShelf contributing editors scour the web to find quality, free resources and share them with you.

Proceedings of the National Academy of Sciences of the USA
A very valuable repository of biodiversity papers on which copyright has expired.
http://www.pnas.org/

Biodiversity Heritage Library
A consortium of natural history and botanical libraries that cooperate to digitize and make accessible the legacy literature of biodiversity held in their collections and to make that literature available for open access and responsible use as a part of a global “biodiversity commons.” BHL also serves as the foundational literature component of the Encyclopedia of Life (EOL).
http://www.biodiversitylibrary.org/

The World Bank has opened its new Open Knoweldge Repository (April 2012). This resource provides online free access to more than 2,100 books and papers produced between 2009 and 2012 as well as all journal articles published in World Bank Research Observer and World Bank Economic Review between 2007 and 2010. This development is part of the World Bank's new open access policy for its research and knowledge products. https://openknowledge.worldbank.org/