Subject

A repository focused on a specific area topic.
 The Belgian PoisonCentre created a repository to store information on the composition and toxicity of various products, medicines, plants, animals and fungi. The site also offers guidance to healthcare professionals and a list of the most frequent inquiries of the Center. The Center fields more than 50,000 calls per year and is subsidized by the Federal Public Service of Public Health.

Other Examples:

University of Delaware's Diasater Research Center, United States

Ciências Agrárias Repositório Eletrônico, Brazil  

Embrapa Informática Agropecuária, Brazil 

Instituto Interamericano de Cooperación para la Agricultura IICA oficina en Colombia, Colombia 

Institut National de la Recherche Agronomique, France

GB Pant University of Agriculture & Technology, Pant Nagar, India

Obihiro University of Agriculture and Veterinary Medicine, Japan 

National Agricultural Library of United States Department of Agriculture, United States   

Environmental and Ecological Science Data Center for West China, China

International Centre for Diarrhoeal Disease Research, Bangladesh 

Centro de Investigación Docencia Económica, Banco de Información para la Investigación Aplicada en Ciencias Sociales, Mexico

Centre of Excellence for Invasion Biology, South Africa

A.O. Kovalevskiy Institute of Biology of the Southern Seas, Sevastopol, Ukraine

National Evolutionary Synthesis Center's Dryad
, United States