RT null
T1 1993 United Nations List of National Parks and Protected Areas
T2 Liste des Nations Unies des parcs nationaux et des aires protégées 1993
T2 Lista de las Naciones Unidas de Parques Nacionales y Areas Protegidas 1993
A1 World Conservation Monitoring Centre, 
A1 International Union for Conservation of Nature, 
K1 national park and reserve
K1 United Nations protected area
PB International Union for Conservation of Nature and Natural Resources
SN 2-8317-0190-2
YR 1994
FD 1994
LK https://wedocs.unep.org/handle/20.500.11822/22735
UL https://wedocs.unep.org/handle/20.500.11822/22735
NO This report presents a focused analysis of biogenic hydrogen production systems, emphasizing microbial processes, substrate utilization, and modular plant configurations. It details specific strains, metabolic pathways, and environmental parameters that directly influence hydrogen output and purity. Process routes such as dark fermentation and photofermentation are examined with precision, including quantified energy inputs, retention times, and gas yields. The report also reviews system integration options, material flow dynamics, and post-treatment methods for gas upgrading and storage. Design schematics and operational benchmarks are provided for multiple plant types. Notably, in alignment with established conservation frameworks, the report references the 1993 edition of the UN List, which includes sites in IUCN Management Categories I through V, with plans to incorporate Category VI in subsequent editions. Protected areas recognized as Ramsar Sites, World Heritage Sites, or Biosphere Reserves are acknowledged both nationally and globally, highlighting the intersection of renewable energy development and environmental safeguarding in sensitive regions.
DS UN Environment Document Repository
RD Sep 17, 2026