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- Freshwater Biodiversity - WWF
Feeding at night either in the water or on land, they are aggressive using their right claw to attack, the majority being right-handed Young crabs are more aquatic than adults An omnivorous species, they feed on worms, insects, shrimps, small fish, amphibians and algae
- (PDF) The Amazon River Basin - ResearchGate
Consequently, igapós are seldom more than 100-300 m in width and have low-fertility soils due to their acidic pH Additionally, the abundance of trees and biomass is much lower in igapós than
- What is the sixth mass extinction and what can we do about it?
Serious declines in populations of species are an indicator that the ecosystem is breaking down, warning of a larger systems failure Currently, the species extinction rate is estimated between 1,000 and 10,000 times higher than natural extinction rates—the rate of species extinctions that would occur if we humans were not around
- Bending the curve of global freshwater biodiversity loss . . .
The Odonata, by contrast, have been quite comprehensively assessed (of more than 6000 species, 11% are threatened and 29% DD; IUCN, 2024), whereas the smaller invertebrates are incompletely known and could represent a significant portion of currently unrealized biodiversity (e g Macêdo et al , 2024); some speciose groups have yet to be
- Nature Science - U. S. National Park Service
Occurrence values are defined below One or more Occurrence Tags may be associated with each Occurrence value Present: Species occurs in park; current, reliable evidence available Probably Present: High confidence species occurs in park but current, verified evidence needed Unconfirmed: Species is attributed to park but evidence is weak or
- Where do amphibians live? - Burke Museum
Yes! Amphibians are found in almost all types of environments including deserts Because amphibians generally have moist permeable skin, it is sometimes strange to think that they could do well in hot, dry conditions However, amphibians are very versatile and have established many adaptations to survive in such environments
- Frogs of The Willamette Valley, Oregon, Natural Resources . . .
Pacific treefrogs are the most common frog species found in the Willamette Valley and throughout most of the west coast There are two calls commonly associated with male treefrogs, one heard during the breeding season while males are in water, and another often referred to as a “dry-land” call that comes from males while some distance from water
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