This journal utilizes the LOCKSS system to create a distributed archiving system among participating libraries and permits those libraries to create permanent archives of the journal for purposes of preservation and restoration. 

Document Availability:
British Library Document Supply Centre (8340.000000)
C I S T I
Centre National de la Recherche Scientifique (C N R S), Institut de l'Information Scientifique et Technique (INIST)
Chemical Abstracts Service Document Detective Service
German National Library of Medicine
Information Express
Infotrieve
IngentaConnect
Linda Hall Library of Science, Engineering & Technology, Document Delivery Services
Thomson Reuters

Abstracting & Indexing Sources (active, electronic):
Abstracts in Anthropology
Abstracts on Hygiene and Communicable Diseases
AgBiotech News and Information
Agricultural Engineering Abstracts
Agroforestry Abstracts (Online)
Animal Behavior Abstracts
Animal Breeding Abstracts
Anthropological Index Online
Anthropological Literature (coverage dropped)
Aquatic Sciences & Fisheries Abstracts
BIOBASE (vol.92, 1996-)
Biocontrol News and Information
Biofuels Abstracts
Biological Abstracts
BIOSIS Previews
Botanical Pesticides Abstracts
C A B Abstracts (Online)
C S A Human Population & Natural Resource Management
C S A Sustainability Science Abstracts (Cambridge Scientific Abstracts)
Chemical Abstracts
Chemistry Citation Index (coverage dropped)
Crop Physiology Abstracts
Current Abstracts (Jan.2000-)
Current Awareness in Biological Sciences
Current Contents: Agriculture, Biology & Environmental Sciences
Dairy Science Abstracts
EBSCOhost
  +  Academic Search Alumni Edition (2/1/1995-)
  +  Academic Search Complete (2/1/1995-)
  +  Academic Search Elite (2/1/1995-)
  +  Academic Search Premier (2/1/1995-)
  +  Environment Complete (2/1/1995-)
  +  Environment Index (2/1/1995-)
  +  GeoRef
  +  Science and Technology (2/1/1995-)
  +  TOC Premier (Table of Contents) (2/1/1995-)
Ecology Abstracts (Bethesda)
Entomology Abstracts
Environmental Engineering Abstracts (Online Edition)
Excerpta Medica. Abstract Journals (coverage dropped)
Elsevier BV
  +  GEOBASE
  +  Scopus (1973-)
Field Crop Abstracts
FLUIDEX (coverage dropped)
Food Science and Technology Abstracts (coverage dropped)
Forest Products Abstracts
Forestry Abstracts
Global Health
Grasslands and Forage Abstracts
H.W. Wilson
  +  Library Literature & Information Science Retrospective (1941/01-1941/01)
Helminthological Abstracts
Horticultural Science Abstracts
I B Z - Internationale Bibliographie der Geistes- und Sozialwissenschaftlichen Zeitschriftenliteratur
I N I S Atomindex (Online Edition) (International Nuclear Information System)
Index to South African Periodicals
Index Veterinarius
International Index to Black Periodicals (2001-2006)
Internationale Bibliographie der Rezensionen Geistes- und Sozialwissenschaftlicher Literatur
Irrigation and Drainage Abstracts
Leisure, Recreation and Tourism Abstracts
Leisure Tourism Database
Maize Abstracts (Online)
Meteorological and Geoastrophysical Abstracts
Microbiology Abstracts
Nematological Abstracts
Nutrition Abstracts and Reviews
National Library of Medicine
  +  PubMed
OCLC
  +  ArticleFirst (vol.86, no.1, 1990-vol.105, no.5, 2009)
  +  Arts and Humanities Search (vol.76, no.1, 1980-vol.105, no.9-10, 2009)
  +  Environmental Sciences and Pollution Management
  +  GEOBASE
  +  GeoRef
Organic Research Database
Ornamental Horticulture
Ovid
  +  GeoRef
  +  Inspec (pre-1969-Sep.1977, dropped)
Pharmacoeconomics and Outcomes News (coverage dropped)
Pig News & Information
Plant Breeding Abstracts
Plant Genetic Resources Abstracts
Plant Growth Regulator Abstracts
Pollution Abstracts
Postharvest News and Information
Potato Abstracts
Poultry Abstracts
Protozoological Abstracts
Reactions Weekly (coverage dropped)
Research into Higher Education Abstracts (coverage dropped)
Review of Agricultural Entomology & Review of Medical and Veterinary Entomology
Review of Aromatic and Medicinal Plants
Review of Medical and Veterinary Mycology
Review of Plant Pathology
Rice Abstracts (coverage dropped)
Rural Development Abstracts
Scopus
Seed Abstracts
Soils and Fertilizers
Soybean Abstracts (Online)
Speleological Abstracts
Sugar Industry Abstracts
Toxicology Abstracts (coverage dropped)
TropAg & Rural
Tropical Diseases Bulletin
Thomson Reuters
  +  Arts & Humanities Citation Index (coverage dropped)
  +  Science Citation Index Expanded
  +  Web of Science
Veterinary Bulletin
Veterinary Science Database
Virology and AIDS Abstracts
Vitis - Viticulture and Oenology Abstracts (Online)
Water Resources Abstracts (Online, Bethesda)
Weed Abstracts
Wheat, Barley and Triticale Abstracts
World Agricultural Economics and Rural Sociology Abstracts
World Banking Abstracts (Feb.1995-)
Zoological RecordAbstracting & Indexing

Sources(active, print-only):
Abstracts of Mycology

Abstracting & Indexing Sources(active, other):
Index to Scientific Reviews