We measured aquatic invertebrate abundance, standing stock biomass, an
d community production in three types of wetlands on Noxubee National
Wildlife Refuge from December 1987 through April 1988. Together, Ortho
cyclops modestus and Daphnia pulex were the most abundant organisms co
llected in all habitats during both winter and spring, but each contri
buted little to total standing stock biomass or production. Caecidotea
communis and Pristina osborni made up greater-than-or-equal-to 47% of
the total standing stock biomass at each site during both winter (Dec
ember-February) and spring (March-May). Crangonyx gracilis, Chironomus
spp., Chaoborus punctipennis, and Eclipidrilus spp. each contributed
greater-than-or-equal-to 5% of the total biomass at one or more wetlan
d habitats. Estimates of aquatic invertebrate community production ran
ged from 930 to 1,578 mg dry weight/M2 among wetland types during wint
er and from 3,306 to 5,421 mg dry weight/m2 among wetland types during
spring. Caecidotea communis and Pristina osborni contributed most to
community production during both seasons, but particularly in beaver p
onds during spring. Other taxa made up substantial portions of the com
munity production in one or two wetland habitats.