Results 21 to 30 of about 2,447 (195)
A global review of problematic and pathogenic parasites of farmed tilapia
Abstract Over the past 80 years, tilapia have been translocated globally for aquaculture; active production is recorded in >124 countries. Of 7 million tonnes of tilapia produced in aquaculture, 79% is from 79 countries outside the natural range of tilapia.
Andrew P. Shinn +15 more
wiley +1 more source
Abstract Freshwater molluscs are hosts for diverse metazoan symbionts. However, apart from the digenean helminths, symbionts of molluscs are underreported worldwide. Therefore, this study focused on the diversity of oligochaetes, leeches, mites, insect larvae and nematodes associated with gastropods and bivalves from Lake Victoria, East Africa. Overall,
James Omondi Outa +3 more
wiley +1 more source
Statistical discrimination of sex in Melanoides tuberculata (Gastropoda: Thiaridae) [PDF]
Abstract Systematists may rely on morphometric differences among samples of specimens for the recognition of living and fossil species, even though morphometric differentiation may be caused by non-genetic factors, such as ecophenotypy, differential growth rates and taphonomic mixing.
Scott Brande +3 more
openaire +1 more source
Abstract Trophic niche analysis can be used to assess ecological opportunities available to alien species in areas of introduction that might aid their establishment, define their functional role and inform on their potential impacts. This study assessed the trophic niche utilized by an invasive population of the Australian redclaw crayfish, Cherax ...
Tsungai Alfred Zengeya +5 more
wiley +1 more source
Relata-se a introdução em nosso meio de Thiara (Melanoides) tuberculata possivelmente anterior a 1967, quando pela primeira vez foi coletada em Santos. Essa espécie pode comportar-se como primeiro hospedeiro intermediário de Paragonimus westermani e de ...
Jorge Faria Vaz +3 more
doaj +1 more source
Abstract Invasive alien species continue to spread and proliferate in waterways worldwide, but environmental drivers of invasion dynamics lack assessment. Knowledge gaps are pervasive in the Global South, where the frequent heavy human‐modification of rivers provides high opportunity for invasion.
Fhatuwani Makherana +6 more
wiley +1 more source
Recurrent camouflaged invasions and dispersal of an Asian freshwater gastropod in tropical Africa [PDF]
Background: Non-indigenous taxa currently represent a large fraction of the species and biomass of freshwater ecosystems. The accumulation of invasive taxa in combination with other stressors in these ecosystems may alter the habitats to which native ...
Albrecht, Christian +5 more
core +3 more sources
Abstract Climate change is expected to alter rainfall and temperature regimes across the world. The hydrology and riparian zone vegetation of lotic ecosystems are tightly linked to rainfall and a mechanistic understanding of the effects of rainfall on lotic ecosystems is needed to forecast the ecological impacts of climate change.
Fernando R. Carvallo +5 more
wiley +1 more source
Niche filtering, competition and species turnover in a metacommunity of freshwater molluscs
Metacommunity structure reflects the interplay of various processes, including niche filtering, extinction/colonization and interspecific interactions. Spatial patterns of species distributions are often analyzed to infer these processes. However, such inferences rely on often unrealistic equilibrium assumptions, and remain ambiguous, as different ...
Maxime Dubart +3 more
wiley +1 more source
New records of the invasive mollusk Melanoides tuberculata (Müller, 1774) (Gastropoda, Thiaridae) in the Brazilian Northeast [PDF]
Melanoides tuberculata (Müller, 1774) was recorded during field surveys of the malacofauna of Território Vale do Guaribas in Piauí state, northeastern Brazil.
Edson Lourenço da Silva +5 more
doaj +3 more sources

