In subsequent years, crayfish were also found in six additional ponds bordering the marsh and were first observed to occupy ponds within the sandy area in 1988, a very rainy year (Fig. 1A).
In subsequent years, crayfish werealso found in six additional ponds bordering the marshand were first observed to occupy ponds within thesandy area in 1988, a very rainy year (Fig. 1A).