Is there a difference in the functional diversity of limnic molluscs between biomes?
Best insight from top research papers
The functional diversity of limnic molluscs varies between different biomes. Studies show that mollusc assemblages exhibit changes in trait composition and functional diversity along latitudinal gradients, with a decrease in functional diversity towards higher latitudes . Additionally, the size and distance of water bodies influence the distribution of limnic mollusks, with no significant differences in richness, abundance, and diversity observed based on lagoon size, but a tendency for higher indices in medium-sized ponds . Furthermore, the composition of mollusc assemblages in subtidal habitats differs significantly between soft bottoms and other habitats, with the highest species richness and feeding guilds found in photophilic hard bottoms . These findings collectively suggest that the functional diversity of limnic molluscs can be influenced by various factors related to habitat characteristics and geographical locations.
Answers from top 5 papers
More filters
| Papers (5) | Insight |
|---|---|
27 Citations | Not addressed in the paper. |
| Not addressed in the paper. | |
| Not addressed in the paper. | |
| Not addressed in the paper. | |
| Not addressed in the paper. |
Related Questions
How do environmental factors affect molluscan microbiomes?10 answersEnvironmental factors significantly influence molluscan microbiomes, affecting both their composition and function, which in turn impacts mollusk health, nutrition, and their ability to adapt to changing conditions. Freshwater mussels, for instance, have been shown to influence and be influenced by the sediment microbiomes in their habitats, with mussel abundance affecting microbial community composition in sediments, highlighting the dynamic interaction between mollusks and their environment. Similarly, marine invertebrates like oysters experience shifts in their microbiome in response to climate change, with metabolic rates and external pH levels significantly affecting bacterial richness and community composition.
The Manila clam's microbiota exhibits tissue-specific responses to environmental variations, indicating that different molluscan tissues can serve as distinct microhabitats for bacteria, with varying degrees of environmental filtering capacity. Seasonal changes also play a role, as seen in Pacific oysters and Mediterranean mussels, where gut microbiota diversity increases in winter, suggesting environmental conditions drive microbial community shifts. Human-induced environmental factors, such as pollution, have been observed to alter the microbiological quality of snail meat, indicating that environmental cleanliness is crucial for maintaining healthy molluscan microbiomes.
Studies on oyster microbiomes have further demonstrated how environmental perturbations, like eutrophication and nutrient enrichment, can alter microbial diversity and function, affecting ecological services such as water filtration and denitrification provided by oysters. Symbiotic relationships between molluscs and microbes are also influenced by the surrounding microbial environment, with filter-feeding habits of bivalves making them particularly susceptible to changes in environmental microbiomes. Pollution, specifically hydrocarbon contamination, has been shown to stimulate the growth of hydrocarbon-oxidizing bacteria in mollusks, suggesting that molluscan microbiomes can adapt to degraded environments but may also serve as indicators of environmental health. Lastly, pathogen accumulation in oysters, influenced by environmental and microbial factors, poses risks to human health, underscoring the complex interplay between molluscan microbiomes, environmental conditions, and public health concerns.
How is mollusca a bioindicator?4 answersMollusca, particularly bivalves and gastropods, serve as valuable bioindicators due to their sensitivity to environmental changes and pollutants. They are utilized in various ecosystems, including freshwater and marine environments, to assess water quality and pollution levels. Bivalves, such as mussels, are commonly employed in monitoring programs like "mussel watch" to detect toxins through bioaccumulation. Terrestrial molluscs, like land snails, are also effective bioindicators, showing sensitivity to human presence and impacts of tourism on ecosystems in protected areas. Gastropods, being the only molluscan class in terrestrial ecosystems, play crucial roles in biomonitoring heavy metal accumulation, influenced by environmental factors like water flow and sediment. Additionally, land molluscs, including snails, are indicative of pollutant levels, especially in areas with industrial contamination, showcasing interactions between contaminants and the biotic sphere.
Is there a difference in the functional diversity of limnic molluscs between biomes within a river basin?5 answersThere is a notable difference in the functional diversity of limnic molluscs between different habitats within a river basin. Studies conducted in various river basins have shown that the taxonomic and functional diversity of molluscs can vary significantly based on environmental factors and habitat types within the basin. The diversity of molluscs is influenced by factors such as habitat heterogeneity, spatial disturbances, and anthropogenic impacts, which can lead to variations in species richness, composition, and abundance among different sections of a river. These findings emphasize the importance of considering the diverse environmental drivers and habitat characteristics within a river basin when assessing the functional diversity of limnic molluscs for effective biodiversity conservation and management.
What are the allelophatic effect of water hyacinth to mullusks?5 answersWater hyacinth has been studied for its effects on various aspects of agriculture and water purification, but there is no specific information available on its allelopathic effects on mollusks. The abstracts provided do not mention any research or findings related to the allelopathic effects of water hyacinth on mollusks. Therefore, there is no direct evidence or information to answer the question about the allelopathic effects of water hyacinth on mollusks.
What are the different types of mollusks?4 answersMollusks are a diverse group of invertebrate animals that can be found in marine, freshwater, and land environments. They are characterized by their soft bodies, muscular foot, and often a calcareous shell. There are approximately 128,000 species of mollusks, which can be classified into five major groups: pelycopods, gastropods, cephalopods, scaphopods, and amphineurans. The gastropods are the largest group, with about 105,000 species, including drills, conchs, cowries, whelks, nudibranchs, and mud snails. Bivalves, such as clams, oysters, mussels, cockles, and scallops, are part of the pelycopods group, which has around 20,000 species. Other groups, such as cephalopods, scaphopods, and amphineurans, have fewer species, ranging from 305 to 1,000. Mollusks have been valued by humans for their shells since prehistoric times and have also been used in traditional and folk medicine for therapeutic purposes.
What are the advantages and disadvantages of using molluscs as biological indicators?4 answersMolluscs have several advantages as biological indicators. They reflect the degree of environmental contamination by heavy metals and can be used to evaluate the relationship between metal contents in water, sediment, and mollusc tissue concentrations. Molluscs are diverse and abundant, and they play important roles in structuring aquatic environments and providing habitat and food for other organisms. They also have an extensive fossil record, which can provide valuable information on past climate events and oceanic changes. Bivalves, a type of mollusc, have been used as biomonitors in heavy metal pollution studies and have shown effectiveness in environmental monitoring. Molluscs, including shellfish, can serve as indicators for monitoring aquatic environments for pollution with human waterborne pathogens and for assessing water quality. Molluscs have been used as bioindicators in both marine and freshwater ecosystems, providing immediate information about the ecosystem status at a lower cost compared to traditional monitoring methods.