| http://www.w3.org/ns/prov#value | - The conifers are a particularly interesting group to study as unlike cereals their leaves or needles are retained for several years.Usually 1 to 2 cm thick, it is composed of needles, leaves, twigs, and is dark brown in colour.A large volume of soil can thus be sampled by analyzing appropriate parts of a tree, such as twigs, needles, leaves, or bark.
|
