نتایج جستجو برای: lobsters
تعداد نتایج: 826 فیلتر نتایج به سال:
For marine reserves to function as effective harvest refuges for exploited species, the reserve must protect a substantial proportion of the population for an indefinite period of time. Because most marine reserves are space-limited, the buildup and equilibrium population sizes of mobile species will be influenced by the size and boundary conditions of the refuge. A logistic rate model was used...
Ochlerotatus baisasi was observed and photographed feeding on a mudskipper (Periophthalmus argentilineatus). Origin of blood meals in the stomachs of female mosquitoes collected at burrows of land crabs and mud lobsters in the mangrove forests of Oura, Okinawa, and Komi, Iriomote (the Ryukyu Islands), was determined by enzyme-linked immunosorbent assay to be from a fish source.
Serotonin and octopamine, injected into the circulation of freely moving lobsters and crayfish, produce opposite behavioral effects. Octopamine injection produces sustained extension of the limbs and abdomen; serotonin injection produces sustained flexion. Neurophysiological analyses show that these postures can be accounted for by opposing, coordinated effects of these amines on patterns of mo...
As a continuation of the Doctoral Service 2021 activity that was carried out by this team last year at POKDAKAN Pesona Bahari, solution offered is to design culture container providing insulation between individual lobsters being cultivated, as well more "rooms"/spaces with Underwater Lobster. Appartment.. lobster apartment latest technology in rearing cultivation modification basic cages. Lobs...
Acquisition and retention of a shelter by a lobster are two of the variables that play a role in lobster agonistic interactions. Since shelter procurement and retention are important for lobster survival, behaviors related to this activity frequently outrank other daily behaviors (e.g., searching for food). Here, we examine the effects of time in residence on the parameters of the escape respon...
Haemolymph inorganic osmolyte changes and Na,K-ATPase activities in trichobranchiate and epipodite tissues were examined in the spiny lobster Palinurus elephas gradually acclimated from seawater (SW; 38 ppt, salinity; 1291 mOsmol/l) down to dilute seawater (DSW; 20 ppt, salinity; 679 mOsmol/l). During acclimation to DSW haemolymph was only transiently hypoosmotic, becoming isosmotic to the medi...
Studies were undertaken to characterize and determine the pathogenic mechanisms involved in a newly described systemic disease in Homarus americanus (American lobster) caused by a Vibrio fluvialis-like microorganism. Nineteen isolates were obtained from eight of nine lobsters sampled. Biochemically, the isolates resembled V. fluvialis, and the isolates grew optimally at 20 degrees C; none could...
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