Results 61 to 70 of about 14,562 (124)
Antibiotic producers have mainly been isolated from soil, which often has led to the rediscovery of known compounds. In this study, we identified the freshwater snail Physa acuta as an unexplored source for new antibiotic producers.
Nasim Safaei +5 more
doaj +1 more source
UTILIZATION OF FRESH WATER SNAILS AS ECOLOGICAL INDICATORS استخدام رخويات المياه العذبة کدليل بيئي [PDF]
تهدف هذه الدراسة إلى تحديد أنواع الرخويات المائية وربط توزعها بالعوامل البيئية في عشر محطات مائية منتشرة في منطقة دمشق. وتم أخذ العينات المائية والحيوانية خلال عام 2005م. وقد تم تحديد ستة أنواع من الرخويات بطنيات القدم Gastropoda .
I. Kassem
doaj +1 more source
We examined aquatic food web structures in two adjacent rice fields in northeastern Japan using carbon and nitrogen stable isotope ratios. δ13C‐based isotopic mixing model estimated that the majority of herbivores and omnivores, as well as several carnivorous taxa, assimilated carbon derived from filamentous green algae (contributions to carbon ...
Natsuru Yasuno +2 more
wiley +1 more source
Fitness effects of assisted gene flow in an endangered salmonid population
This study investigates the impact of assisted gene flow on the fitness of an endangered landlocked salmon population. Our results reveal that while assisted gene flow can have a positive influence on individual growth, it can also lead to decreased survival rates under predation risk.
Ines Klemme +3 more
wiley +1 more source
INTRODUCING OF GASTROPODA AND PELECYPODA OF ZAYANDEHRUD RIVER
Zayandehrud is located in central of Iran. It is important habitats for living organisms and has a main role in diversity of flora and fauna too. Eight stations from Zayandehrud bridge up to Khajoh bridge were selected to determine Mulloscian assemblage.
I. Maghfori moghadam
doaj
Four freshwater pulmonate species (Lymnaea ovata, L. stagnalis, Physa acuta, Planorbis leucostoma)were living in several watercress beds known for their relationships with human cases of fasciolosis, whereas L. truncatula was never found.
Dreyfuss G. +3 more
doaj +1 more source
Fig. 4. (A) Lateral view of P. acuta showing the columellar muscle (Cm) and its relationship with the female and male pores. Also shown are Cm branches running towards the head and side, the insertion of Cm into the foot and the posterior part of the Cm ...
Appleton, C. C., Naranjo-García, E.
core +1 more source
Seasonal dynamics of freshwater gastropods in central zone of Kashmir Valley, India
The present study was carried out to study the prevalence and seasonal distribution of snail fauna in central zone of Kashmir valley. A total of 12,103 snails were collected during September 2017 to August 2018 and 10 snail species under 5 genera ...
Z A WANI +4 more
doaj +1 more source
Revisión de dos especies de Physidae
A pesar de los numerosos trabajos que abordan desde diferentes ópticas la sistemática de Physidae, la situación taxonómica de las entidades de esta familia presentes en la Argentina es aún confusa.
Verónica Núñez
doaj +1 more source
Access to thesis permanently restricted to Ball State community only.Access to abstract permanently restricted to Ball State community only.Thesis (M.S.)Department of BiologyDetermination of bold/shy personality in freshwater snail Physa acuta and the ...
Watland, Matthew E.
core

