Ancient and modern flood plain and channel morphology was mapped in the late Quaternary alluvial valley of the Colorado River between Utley and La Grange, Texas. The analysis of N.A.S.A.-generated color aerial infrared ...

General characteristics of blue-green algal halotolerance were studied by growth experiments and selected analyses. Variation in NaCl concentration was used to mimic salinity. Marine isolates were more halotolerant (8 to ...

1. The paired Milne-Edwards openings represent the only significant entry points for ventilatory flow. Setae associated with the opening may serve to filter the inhalent water. 2. The ventral surface of the gill sieve is ...

The Land Cut Area of the Laguna Madre Flats is a silicoclastic coastal sabkha that lies behind Padre Island on the Gulf Coast of southwest Texas. It is sporadically inundated by wind-tidal flooding of waters from the ...

1. Ventilation volume (V̇ [subscript G]) was monitored in the blue crab Callinectes sapidus using an electromagnetic flow probe. Mean resting value of ventilation volume for a 200g crab was 146±81ml•min⁻¹, oxygen consumption ...