Chitin was first discovered by its name from the Greek word “chiton”, which means “mail coat”. It is indeed a polysaccharide made up of naturally occurring acetyl-D-glucosamine monomers. Hatchett researcher who extracted chitin shells mollusks (crabs and lobsters), prawns, crayfish in 1799. Later 1811, Henri Braconnot cell walls mushrooms called it “fungine”. chitosan are abundant biosphere as ...

Los quitones son un grupo de moluscos muy comunes en el mar la costa Caribe colombiana. No obstante, los estudios respecto a estos organismos y seguimiento sus poblaciones escasos, por lo que objetivo investigación fue determinar abundancia población su morfometría municipio Coveñas, Sucre. Se realizaron muestreos mensuales entre marzo agosto del 2015. Con ayuda cuadrante 1 m2, se contabilizaro...

Mass mortalities in natural populations, particularly those that leave few survivors over large spatial areas, may cause long-term ecological perturbations. Yet mass mortalities may remain undocumented or poorly described due to challenges in responding rapidly to unforeseen events, scarcity of baseline data, and difficulties in quantifying rare or patchily distributed species, especially in re...