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Natural
Rehabilitation of Gravel Pits on the Oak Ridges Moraine -
Dance
Environmental Inc., 1998.
This
study documents the extent of naturalization and degree of
biological diversity that has developed over time in several
abandoned and intentionally rehabilitated sand and gravel
pits located on the Oak Ridges Moraine.
Some
key findings include:
- Soil
differences between abandoned and rehabilitated sites decreases
with age;
- Flat
portions of non-rehabilitated sites develop a plant community
(forb meadow) which is similar in composition to that of
rehabilitated sites; and
- The
presence of ponds or lakes in pits increases the variety
of plants and animals present.
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