The aim of this note is to record the occurrence of the copepod Cyclopoida Thermocyclops tenuis in the Pantanal region, Central West of Brazil. The sampling was carried out in September, 2008, in a small artificial pond with an area of 22 m and 0.5 m deep, located in the city of Corumbá, MS, at 19° 00” 02’ S and 57° 37” 50’ W. The material was concentrated in a plankton net with 68 μm mesh size...

Since the industrial revolution, anthropogenic CO₂ emissions have caused ocean acidification, which particularly affects calcified organisms. Given the fan-like calcified fronds of the brown alga Padina pavonica, we evaluated the acute (short-term) effects of a sudden pH drop due to a submarine volcanic eruption (October 2011-early March 2012) affecting offshore waters around El Hierro Island (...

the aim of this study was to evaluate the effects of enrichment of artemia with sea weed extract (padina sp.) on the survival and growth rates of post larvae of western white shrimp (litopenaeus vannamei). this investigation was conducted in the shrimp research center, bushehr, iran. the experimental design was done in three dietary treatments with three replications which were conducted in 9 w...

AbstrakTujuan penelitian adalah untuk mengetahui pertumbuhan, kelangsungan hidup, rasio konversi pakan dan efisiensi ikan baronang lingkis dengan peemberian rumput laut segar yang dipelihara pada karamba jaringapung. Penelitian ini dilaksanakan bulan Maret sampai Mei 2020. Pemeliharaan benih dilakukandalam Karamba Jaring Apung (KJA) di Desa Wawobungi, Kecamatan Lalonggasumeeto, Kabupaten Konawe...

Macroalgae belonging to the genus Padina are known to produce antibacterial compounds that may inhibit growth of human- and animal pathogens. Hitherto, it was unclear whether this antibacterial activity is produced by the macroalga itself or by secondary metabolite producing epiphytic bacteria. Here we report antibacterial activities of epiphytic bacteria isolated from Padina pavonica (Peacocks...

Ocean acidification causes biodiversity loss, alters ecosystems, and may impact food security, as shells of small organisms dissolve easily in corrosive waters. There is a suggestion that photosynthetic organisms could mitigate ocean acidification on a local scale, through seagrass protection or seaweed cultivation, as net ecosystem organic production raises the saturation state of calcium carb...

Hylastes spp. (Coleoptera: Scolytidae) were evaluated as potential vectors of Leptographium spp. fungi. Bark beetles were trapped from stands ofloblolly pine, Pinus taeda L., exhibiting a range of decline symptoms in central Alabama. Under controlled conditions, field-collected adult Hylastes salebrosus Eichoff (Coleoptera: Scolytidae) and Hylastes tenuis Eichoff (Coleoptera: Scolytidae), which...

Caste polyethism has been recorded in some termite species, however the foraging behavior of subterranean termites remains poorly known. Heterotermes tenuis Hagen (Isoptera: Rhinotermitidae) is a subterranean termite that is native to Brazil and is an agricultural and urban pest. The aim of this study was to investigate which caste acts as scouts when searching for food sources and determinate ...

It is essential to consider genetic composition for both conventional coral restoration management and initiating new interventions counter the significant global decline in living corals. Population structure at a fine spatial scale should be carefully evaluated before implementing strategies achieve self-sustaining ecosystems via restoration. This study investigated population of two acropori...