Irrawaddy dolphin population genetic

Author: amgz

August undefined, 2024

WebHistorical size of the Irrawaddy dolphin (Orcaella brevirostris) population inhabiting the Mekong River is unknown and there is significant concern for long-term survival of the remaining population as a result of low abundance, slow reproduction rate, high neonatal mortality, and continuing anthropogenic threats. WebDistribution . Irrawaddy dolphins are patchily distributed throughout freshwater and coastal areas in Southeast Asia. The three main freshwater populations inhabit the Ayeyarwady, Mekong, and Mahakam rivers 1.Coastal populations live in brackish or saline waters, and are generally associated with areas of freshwater input, such as river deltas, mangrove …

Irrawaddy dolphin - Wikipedia

WebJan 3, 2024 · The Irrawaddy dolphin population occupying the Mekong River is small, declining, isolated, and potentially suffering from inbreeding and loss of genetic diversity. It is apparent that this population is in serious threat of extirpation in the near future. WebIn this paper, we aim to elucidate the conservation status of the Irrawaddy dolphin population inhabiting the Mekong River by: (a) investigating Irrawaddy dolphin genetic samples from Cambodia in a phylogenetic context; (b) analysing the potential presence and extent of population structure among Irrawaddy dolphins in the Mekong River; and (c) … fly simulator 2020 vr

Mitochondrial DNA diversity and PCR-based sex determination of …

WebApr 2, 2024 · The Irrawaddy dolphin (Orcaella brevirostris) is an endangered, small cetacean species which is widely distributed in rivers, estuaries, and coastal waters throughout the tropical and subtropical Indo-Pacific. Despite the extensive distribution of this species, little is known of individual movement … WebSoutheast-Asian Irrawaddy dolphins (Orcaella brevirostris) are highly susceptible to anthropogenic effects that reduce effective population size and genetic diversity. Coastal populations are currently listed as “Vulnerable” on IUCN’s Red List, while some riverine populations are listed as “Critically Endangered”. WebThese dolphins live in the shallow waters closer to the coastline. They are one of the few species that are known to be able to live in freshwater habitats. Irrawaddy Dolphin Behavior. The Irrawaddy Dolphin has to get … flysimworks

Irrawaddy Dolphin Request PDF - ResearchGate

The Irrawaddy dolphin, Orcaella brevirostris from the Mekong river ...

WebJan 3, 2024 · Historical size of the Irrawaddy dolphin (Orcaella brevirostris) population inhabiting the Mekong River is unknown and there is significant concern for long-term survival of the remaining population as a result of low abundance, slow reproduction rate, high neonatal mortality, and continuing anthropogenic threats. WebApr 10, 2024 · The number of bottle-nose dolphins grew from 23 in 2024 to 54 this year. “The rise in the Irrawaddy [dolphin] population in Chilika can be attributed to the eviction of illegal fish enclosures. green petrochem industry fzc linkedinWebSep 21, 2010 · Indian Irrawaddy dolphin showed closest genetic identity with its counterpart from Thailand (bp difference, 0.3%). CYB sequence comparison indicated that the Indian haplotype was genetically farthest from the unknown sample (6.2%), followed by the one from Australia (5.9%). green pet food containers

"WebJan 3, 2024 · The Irrawaddy dolphin fails to meet the six characteristics of a successful population as outlined by Redford et al. (2011): (1) independence from human agency, (2) genetic variability, (3)... " - Irrawaddy dolphin population genetic

Irrawaddy dolphin population genetic

Mitochondrial DNA diversity and PCR-based sex determination of …

WebThe Mekong River Irrawaddy dolphins (Orcaella brevirostris) are one of three Riverine Irrawaddy dolphin populations, all classed as Critically Endangered. The current population abundance estimate of the Mekong population is 66-86 individuals. Since 2003 there have been 88 dolphin deaths recorded, making this population of Claim: The population of dolphins is on the rise in Lake Michigan.

Did you know?

WebFeb 13, 2024 · Though a >50% population size reduction has occurred since 1957, researchers and decision‐makers often overlook the persistence (or evolutionary potential) of this species in the highly fragmented GBMK. WebOct 23, 2024 · The Cambodian Government’s Fisheries Administration and WWF announced today that the Irrawaddy dolphin population in the Mekong River numbers just 89. The number is a slight decline from the estimate of 92 in 2024 but shows that the population has stabilised in recent years after decades of precipitous decline.

WebMar 2012 - Jun 20142 years 4 months. College Eight, UCSC. As a two-year Resident Assistant at the University of California, Santa Cruz, I have … WebApr 9, 2024 · Irrawaddy and pink humpbacked dolphins An Irrawaddy dolphin, also known as the Mekong dolphin, swims in the river at Kampi village in Kratie province, 230 km (143 miles) northeast of Cambodia, on ...

WebApr 2, 2024 · Genetics and Molecular Biology Abstract The Irrawaddy dolphin (Orcaella brevirostris) is an endangered, small cetacean species which is widely distributed in rivers, estuaries, and coastal waters throughout the tropical and subtropical Indo-Pacific. WebStudies are underway to identify environmental, genetic, and social/cultural determinants of health disparities. A primary objective of KCI is to integrate its scientific research and clinical programs with community outreach activities to local populations in metropolitan Detroit and throughout Michigan. Research is conducted through more than ...

WebApr 11, 2024 · 2.9 Irrawaddy dolphins. 2.10 Spinner and Fraser’s dolphins. 2.11 Yangtze River dolphins ... Two stocks have been identified in the population but genetic information and bycatch levels ... Initial …

WebJan 18, 2024 · Genetic insights could help shape conservation strategies for the most common dolphin species in the North Atlantic. A study of Atlantic white-sided dolphins is the first to reveal genetic connectivity across the range of any North Atlantic dolphin species, which are more commonly divided into distinct populations. fly simulator microsoft pcWebWe investigated population structure and reconstructed the demographic history based on 60 Irrawaddy dolphins samples collected between 2001 and 2009. The phylogenetic analysis indicated reciprocal monophyly of Mekong River Orcaella haplotypes with respect to haplotypes from other populations, suggesting long-standing isolation of the Mekong ... green petrochemicalWebDemographic collapse and low genetic diversity of the Irrawaddy dolphin population inhabiting the Mekong River Article Full-text available Jan 2024 Michael Krützen Isabel Beasley Corinne Y.... fly simulator essaiWebA study of Irrawaddy dolphins in the Mekong found that 85% of 60 sampled dolphins all shared the same maternally inherited haplotype, an indication of severe inbreeding depression, with the current population size only being 5% of its original/ancestral size 19. fly simulator 2023WebThe Irrawaddy dolphin population inhabiting the Mahakam is estimated to have become isolated from other populations for ~ 500,000 years and the population has two unique genetic haplotypes compared to samples from other freshwater populations or in Indonesia from coastal populations (Budi, 2024). fly simulator torrentWebApr 8, 2024 · About 1,400 proboscis monkeys live in the mangroves of Balikpapan Bay, or 5% of the total population in Borneo, according to a coalition of local civil society groups. fly simulator xcloudWebObjectives: To apply population genetics and mitogenome phylogenetic analyses to assess genetic diversity and connectivity among Irrawaddy dolphin populations in Indonesia and Thailand. Materials & Methods: Samples from stranded dolphins were collected from Mahakam River and East Kalimantan, Indonesia and from Songkhla Lake and the Lower … fly simulator companion