Action of the Metalloproteinases in Gonadal Remodeling during Sex Reversal in the Sequential Hermaphroditism of the Teleostei Fish Synbranchus marmoratus (Synbranchiformes: Synbranchidae) [PDF]
Teleostei present great plasticity regarding sex change. During sex reversal, the whole gonadincluding the germinal epithelium undergoes significant changes, remodeling, and neoformation.However, there is no information on the changes that occur within ...
Antoneli, Fernanda +3 more
core +2 more sources
Cyanobacterial biodiversity from different freshwater ponds of Thanjavur, Tamilnadu (India) [PDF]
Cyanobacterial biodiversity from different freshwater ponds of Thanjavur, Tamilnadu (India). Studies on the cyanobacterial biodiversity of 5 different freshwater ponds in and around Thanjavur, Tamilnadu during summer month (June, 2004) has been made and ...
Muralitharan, Gangatharan +4 more
core +3 more sources
Este comentario resalta la importancia que el análisis de secuencias de ADN tiene en los estudios de biodi-versidad y la necesidad de mejorar los procedimientos administrativos concernientes a las investigaciones de biodiversidad en el Perú.
Rudolf von May +4 more
doaj +1 more source
El crecimiento de la agricultura y su posible impacto perjudicial sobre la biodiversidad dependen en gran medida de los instrumentos de política por medio de los cuales se estimulan el incremento de la producción y el mejoramiento del bienestar de la ...
Ricardo Torres C.
doaj +1 more source
A biodiversidade doméstica [PDF]
Contrariamente a uma opinião comum, o Homem não foi apenas e nem sempre destruidor das outras espécies. Certamente ele destruiu bastante, mas também protegeu de maneira considerável. Além disso, domesticando os animais, ele os transformou e os diversificou, dando nascimento a novas espécies e – no interior das espécies – a novas raças, criando assim a “
openaire +3 more sources
Descripción de los estadios larvales de Sigara (Tropocorixa) jensenhaarupi (Heteroptera: Corixidae), con notas acerca de su ecología [PDF]
Sigara (Tropocorixa) jensenhaarupi Jaczewski is the smallest species of the subgenus ranging from 4.2–4.7 mm, and it is characterized by the absence of a strigil, the small and narrow genital capsule with a short hypandrium in males, and the shape of the
Melo, María Cecilia +1 more
core +2 more sources
Inventario de avifauna del norte de Entre Ríos, Argentina: registros notables y perspectivas de conservación [PDF]
Biodiversity inventories remain fundamental tools for biodiversity conservation. Neotropical biota has poor faunal inventories. In Argentina, the avifauna of the province of Entre Ríos is still not well known.
Dardanelli, Sebastián +2 more
core +2 more sources
La biodiversidad es la variedad de formas de vida, plantas, animales, microorganismos y ecosistemas. Su conservación es vital para formar y mantener la estructura y la capacidad productiva de los suelos, el desarrollo de las especies, la selección natural y la variabilidad genética.
openaire +4 more sources
A key to the known larvae of south american Elmidae (Coleoptera: Byrrhoidea), with a description of the mature larva of Macrelmis saltensis Manzo. [PDF]
A key to identify the known mature larvae of the South American genera of the family Elmidae is provided. The key includes seven genera presently assigned to the subfamily Larainae and 15 genera assigned to the subfamily Elminae.
Archangelsky, Miguel +1 more
core +1 more source
Integrating whole‐bone and regional analyses to understand human scapular growth
Abstract This study investigates ontogenetic changes in human scapular morphology using three‐dimensional geometric morphometrics with whole‐bone and region‐specific analyses. The aim is to evaluate whether the scapula follows a regular developmental pattern and whether its functionally distinct components, the scapular spine (SS) and glenoid fossa ...
Azahara Salazar‐Fernández +3 more
wiley +1 more source

