2001 |
English Nature (now Natural England) |
polythene sheeting &
woven polypropylene |
2005 |
USFWS |
welded wire |
2009 |
Amphibian and Reptile Conservation |
smooth panels |
2010 |
Queensland Department of Transport and Main Roads |
woven vinyl
erosion control fencing & insertion rubber |
2012 |
Vic Roads |
recycled polyethylene sheeting; galvanised roof
purlin; fine wire mesh |
2015 |
Western Transport Institute, Montana State University |
HDPE
plastic; barrier wall; chain-link |
2016
|
Ministry of Agriculture, Food and the Environment (Spain);
Ontario Ministry of Natural Resources and Forestry (Canada);
Wildlife Institute of India
|
hardware cloth (Spain, Canada);
chain-link (Spain, Canada);
cement concrete wall (India);
|
2020 |
BC |
opaque fencing materials |
2021 |
Caltrans |
thick plastic fencing materials; solid perforated
visual barrier; woven polypropylene or polyethylene
sheets |
2022 |
IENE |
opaque smooth materials (metal, concrete,
HDPE) |