The five main reasons that the Salt Marsh Harvest mouse population is declining are: habitat loss, fragmentation of the remaining marshes, widespread loss of the high marsh zone as a result of backfilling, land subsidence, and vegetational change.
(the Salt Marsh Harvest mouse population; is declining; ) (The five main reasons that the Salt Marsh Harvest mouse population is declining; are; habitat loss)
the Salt Marsh Harvest mouse population The five main reasons that the Salt Marsh Harvest mouse population is declining
is declining are
habitat loss