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Exploring the relationship between parental relatedness and male reproductive success in the Antarctic fur seal Arctocephalus gazella

first_imgRecent genetic studies of natural populations have shown that heterozygosity and other genetic estimates of parental relatedness correlate with a wide variety of fitness traits, from juvenile survival and parasite resistance to male reproductive success. Many of these traits involve health and survival, where the underlying mechanism may involve changes in the effectiveness of the immune system. However, for traits such as reproductive success, the likely mechanisms remain less obvious. In this paper, we examine the relationship between heterozygosity and a range of traits that contribute to male reproductive success, including time spent on territories and competitiveness. Our analysis is based on observational and genetic data from eight consecutive breeding seasons at a colony of the Antarctic fur seal. Arctocephalus gazella. Overall, male reproductive Success was found to correlate strongly with internal relatedness (IR, a form of heterozygosity). When different components of success were analyzed, we found that IR correlates independently with reproductive longevity, time spent ashore, and competitive ability per unit mating opportunity on the Study beach, with more heterozygous males being more successful. Behavioral observations were sufficiently detailed to allow examination of how daily mean IR values for males present on the beach varied within seasons and from year to year. Again, significant variation was found both among and within seasons, with more homozygous males appearing less able to hold territories in poor seasons when pup production is low and, within a season. at both the start of the season and to some extent around the peak of female estrus. Finally, we tested whether the benefits of high heterozygosity are due mainly to a genomewide effect (e.g. inbreeding depression) or to single locus heterosis by asking whether the relationship between IR and male success was robust to the removal of any single locus or to any pair of loci. Since the relationship remained significant in all cases, we favor a multilocus explanation for the effects we report.last_img read more

New Quaternary sedimentary records from near the Larsen C and former Larsen B ice shelves; evidence for Holocene stability

first_imgGlacial and post-glacial shelf sedimentation near the Larsen C and former Larsen B ice shelves is compared to records from ice shelves farther north, which underwent mid-Holocene retreat. A core from Larsen C comprises a lower unit of deformation till, overlain by thick mud interpreted as water lain from suspension under the ice shelf. Iceberg-rafted debris occurs only in the top 50 cm, suggesting that prior to that layer’s deposition, the ice shelf had not receded past the site since the last deglaciation. Subsequently the site appears to have been seasonally ice free, and the ice shelf has retreated further and is now 15 km landward of the site. A core from Larsen B also consists of a lower unit, interpreted as sub-glacial lodgement till. The overlying mud is thinner, more poorly sorted, with evidence of powerful winnowing of sediments suggesting strong currents. The absence of iceberg-rafted debris implies that this site was covered by an ice shelf continuously from the last deglaciation until its collapse in 2002. Strong currents could have facilitated basal erosion, contributing to its collapse. The Larsen C shelf is also thinning and historical records show retreat in the last hundred years. With continued rising temperatures, Larsen C may eventually retreat to a point at which it collapses.last_img read more

The Antarctic ice core chronology (AICC2012): an optimized multi-parameter and multi-site dating approach for the last 120 thousand years

first_imgThe deep polar ice cores provide reference records commonly employed in global correlation of past climate events. However, temporal divergences reaching up to several thousand years (ka) exist between ice cores over the last climatic cycle. In this context, we are hereby introducing the Antarctic Ice Core Chronology 2012 (AICC2012), a new and coherent timescale developed for four Antarctic ice cores, namely Vostok, EPICA Dome C (EDC), EPICA Dronning Maud Land (EDML) and Talos Dome (TALDICE), alongside the Greenlandic NGRIP record. The AICC2012 timescale has been constructed using the Bayesian tool Datice (Lemieux-Dudon et al., 2010) that combines glaciological inputs and data constraints, including a wide range of relative and absolute gas and ice stratigraphic markers. We focus here on the last 120 ka, whereas the companion paper by Bazin et al. (2013) focuses on the interval 120–800 ka. Compared to previous timescales, AICC2012 presents an improved timing for the last glacial inception, respecting the glaciological constraints of all analyzed records. Moreover, with the addition of numerous new stratigraphic markers and improved calculation of the lock-in depth (LID) based on δ15N data employed as the Datice background scenario, the AICC2012 presents a slightly improved timing for the bipolar sequence of events over Marine Isotope Stage 3 associated with the seesaw mechanism, with maximum differences of about 600 yr with respect to the previous Datice-derived chronology of Lemieux-Dudon et al. (2010), hereafter denoted LD2010. Our improved scenario confirms the regional differences for the millennial scale variability over the last glacial period: while the EDC isotopic record (events of triangular shape) displays peaks roughly at the same time as the NGRIP abrupt isotopic increases, the EDML isotopic record (events characterized by broader peaks or even extended periods of high isotope values) reached the isotopic maximum several centuries before. It is expected that the future contribution of both other long ice core records and other types of chronological constraints to the Datice tool will lead to further refinements in the ice core chronologies beyond the AICC2012 chronology. For the time being however, we recommend that AICC2012 be used as the preferred chronology for the Vostok, EDC, EDML and TALDICE ice core records, both over the last glacial cycle (this study), and beyond (following Bazin et al., 2013). The ages for NGRIP in AICC2012 are virtually identical to those of GICC05 for the last 60.2 ka, whereas the ages beyond are independent of those in GICC05modelext (as in the construction of AICC2012, the GICC05modelext was included only via the background scenarios and not as age markers). As such, where issues of phasing between Antarctic records included in AICC2012 and NGRIP are involved, the NGRIP ages in AICC2012 should therefore be taken to avoid introducing false offsets. However for issues involving only Greenland ice cores, there is not yet a strong basis to recommend superseding GICC05modelext as the recommended age scale for Greenland ice cores.last_img read more

86 private apartment towers with potentially dangerous cladding have ‘unclear’ upgrade plans

first_imgHome » News » 86 private apartment towers with potentially dangerous cladding have ‘unclear’ upgrade plans previous nextRegulation & Law86 private apartment towers with potentially dangerous cladding have ‘unclear’ upgrade plansLatest overview by housing ministry highlights number of towers but not their locations even though many may feature homes for sale and to rent.Nigel Lewis25th October 201801,143 Views There are still 86 private residential apartment towers in England where the government has yet to find out what their owners plan to do about replacing their potentially dangerous cladding following the Grenfell Tower fire tragedy, it has been revealed.And a list of the towers has not been made public, even though apartments within them may be advertised for sale or to rent. Flats within other towers that are instead waiting to begin works certainly are.For example there is a £560,000 two-bedroom apartment currently SSTC within Denning Point in London. It’s a former council tower block that was transferred to a social housing provider and subsequently had some of its flats upgraded into luxury units. The tower is still waiting for work to begin on removing and upgrading its cladding.The listing for the flat, which is still live online, makes no mention of the 23-storey tower’s status; it was found post-Grenfell to feature cladding that is ‘not up to standard’.Slow paceThe pace of cladding replacement is slow in England, particularly among privately-owned high-rise residential towers that feature the Aluminium Composite Material (ALC) now deemed unsafe by Building Regulations post-Grenfell.The MHCLG says that of the 201 private towers involved, two have had their cladding replaced, 12 have work under way and a further 101 have plans in place or are in development.But for the remaining 86 tower blocks, MHCLG says it has been unable to find out what’s being planned, although this has reduced from 200 in June.“The remediation of buildings with unsafe ACM cladding systems is a complex process,” the MHCLG says. “Remediation work involves addressing any issues with the exterior cladding system and broader fire safety systems for each building.”The Ministry says the 11 local authorities with the greatest concentration of towers whose cladding has failed Building Regulations tests are Brent, Liverpool, Tower Hamlets, Bristol, Manchester, Wandsworth, Greenwich Newham, Westminster and Salford. October 25, 2018Nigel LewisWhat’s your opinion? Cancel replyYou must be logged in to post a comment.Please note: This is a site for professional discussion. Comments will carry your full name and company.This site uses Akismet to reduce spam. Learn how your comment data is processed.Related articles Letting agent fined £11,500 over unlicenced rent-to-rent HMO3rd May 2021 BREAKING: Evictions paperwork must now include ‘breathing space’ scheme details30th April 2021 City dwellers most satisfied with where they live30th April 2021last_img read more

Kenya Navy Seizes 343 Kilograms of Heroin

first_img View post tag: Kenya Navy According to Anadolu Agency, the operation took place off the Lamu coast, some 350km north of Mombasa, when the Navy vessel intercepted an Iranian-flagged ship named MV Al-Noor.The police held the ship for almost two weeks in the port while they investigated the cargo it was carrying. The estimated value of the confiscated materials is around $2.5 million.The investigation is still ongoing.[mappress]Naval Today Staff, July 16, 2014; Image: Wikimedia Kenya Navy Seizes 343 Kilograms of Heroin July 16, 2014 Kenya Navy seized 343 kilograms of heroin off Mombasa, Kenya, two weeks ago. View post tag: Navy View post tag: Heroin Share this article View post tag: africacenter_img Back to overview,Home naval-today Kenya Navy Seizes 343 Kilograms of Heroin View post tag: Kilograms View post tag: Naval Authorities View post tag: Seizes View post tag: News by topic View post tag: 343last_img read more

Oxford’s clubbing monopoly criticised

first_imgThe merger of RockEntz and PulseNation events companies into Varsity Events has led to a drop in the variety and diversity of Oxford club nights, students and managers claim.Organisers of other club nights have complained about the “monopoly” Varsity has on the city.Jenny Edmunds, a current student who runs the popular club night Eclectric, said, “It’s not very nice having all the money going to the same people at the top.”OUSU-backed PulseNation was founded by two Oxford University students Dominic Conte and Arthur Worsley at the beginning of 08/09 academic year.Pulse was formed in response to Balreick Srai’s grip on Oxford entertainment in the form of his events promotion company RockEntz.Last summer, the two biggest Oxford promotion companies merged together under a trademark of Varsity Events, creating a monopoly which has been both condemned and praised.Escape nightclub criticised Varsity Events’ effect on the Oxford clubbing scene. “Certainly Pulse and Balreick are the big boys. They have made it hard to break in for other promoters; they do seem to have monopolised the situation. This does lead to more generic nights, I think. More different promoters make it more interesting, catering to different clientele,” said Escape’s spokesperson.A spokesperson for BabyLove said, “Balreick [the founder of RockEntz] has too much of a monopoly, and I think that it’s unhealthy…I have the view that it’s better to help student promoters.”“Also, working with different independent promoters means that we have all different kinds of nights, with nights like Eclectric, Pop Tarts’ gay night, and Indie nights with the Narcissists.”Edmunds, of Eclectric, claimed that the backing from the OUSU made Varsity Events’ domination of the market insurmountable. She said, “The scariest bit is that they have the mailing list from the OUSU, no-one else can compete with that; as soon as new students come they have already got access to them. It would be much better to have lot of individual promoters.”Varsity Events is described in the Freshers’ Handbook as “the official OUSU-affiliated Entz company”. No other events promotion company can be affiliated with OUSU.“It’s a really sad scenario that it’s so hard to arrange alternative nights for the amount of cheese,” Edmunds said. She added “lots of people go home to go clubbing, because it’s so much more expensive in Oxford.”OUSU’s sponsorship of Pulse means that Varsity Events are able to advertise their club nights in emails from Oxford Student Services Limited, OUSU’s commercial subsidiary. This association means that students are aware of Varsity Events’ nights from the start of Fresher’s Week.But Lewis Iwu, ex-president of OUSU, argued that such a monopoly could be a good thing, and defended OUSU’s decision to sponsor PulseNation.“I see no problem with the idea of a monopoly on the clubbing scene,” he claimed, “as long as that monopoly isn’t abused, and club prices are still affordable, then I think that can’t be a problem.”Some believe that the creation of Varsity Events has made a positive difference to the turn-out at clubs. Lava&Ignite manager Ken Getgood admitted, “Having [Varsity Events] working with us makes a huge difference in relation to the amount of students that attend our venue. Admissions wise we are at capacity every Wednesday for our Oxford Uni night – 1200 persons.” He defended the allegation of a lack of choice and variety saying, “I know they use all different types of venues so surely this offers variety to the students?”The Bridge and Escape also conceded that Varsity Events do boost their student turn out. Escape said they get over 500 people on Fridays, while Bridge claim to reach capacity most Thursdays, both nights being run for Oxford University by Varsity Events.last_img read more

St. Mary’s Hospital for Women & Children Birth Records

first_img Haley and Jared Droste, Evansville, son, Bennett Thomas, Aug. 26Adrianna Caswell and David Powell, Mount Carmel, Ill., son, Landyn Allen Denney, Aug. 29Amanda Storey, Princeton, Ind., son, Christian Blake, Aug. 29Carrie and Eric Rasche, Evansville, daughter, Eleanor Catherine, Aug. 29Chelsie Drysdale and Max McDaniel, Evansville, son, Camden River, Aug. 29Kaleigh and Trenton Lavarier, Mount Carmel, Ill., son, Cash Leo, Aug. 29Kristina and Erik Bare, Vincennes, Ind., son, Henry William, Aug. 29Kimberly and Douglas Moore, Evansville, son, Grayson Lee, Aug. 30Valerie Chester, Newburgh, Ind., son, Valen James, Aug. 30Brandi and Leocadio Lopez, Evansville, daughter, Ximena Yazmin, Aug. 31Abbey Howes and Lance Reynolds, Evansville, son, Colby William, Sep. 1Chelsey and Joseph Hearne, Evansville, son, Theo Sebastian, Sep. 1Hali Harrison and Jacob Fulkerson, Newburgh, Ind., daughter, Jay’Leigh Grace-Marie, Sep. 1Jodi Hancock and Kacy Byrns, Evansville, son, Elijah Wayne, Sep. 1Lauren and Caleb Fendrich, Evansville, son, Calvin David, Sep. 1Heather and William Ricketts II, Mount Vernon, Ind., daughter, Aubrey Brooklyn Rayne, Sep. 2Holly and Jeff Lawrie, Robards, Ky., son, Eli Cole, Sep. 2Kacey and Jeff Wilson, Petersburg, Ind., sons, Owen Ryan and Carter Edward, and Daughter, Lilly Jo, Sep. 2Taylor Young and Joseph Pasco, Evansville, son, Joseph Michel Jr., Sep. 2Ta-Keesha Tramill and Jordan Bowman, Evansville, son, Jaylen Owen La’Dale, Sep. 3FacebookTwitterCopy LinkEmailSharelast_img read more

AG-Elect Says Drug Offenders Need To Be Held Accountable

first_imgAG-Elect Says Drug Offenders Need To Be Held AccountableMarilyn Odendahlfor www.theindianalawyer.comSince the Legislature revised the state’s criminal code to provide drug treatment and recovery services to low-level drug offenders, Indiana has been brutalized by an opioid epidemic that has led to a resurgence of HIV along with needle exchange programs in eight counties and counting.Indiana Attorney General-elect Curtis Hill agrees that jails and prisons are good places for offering addiction programs but maintains that offenders still need to be held accountable for their crimes.“I want to make sure that while we’re addressing the addictive nature of someone’s being that we don’t lose sight of the fact that have an accountability standard that addresses the person who has committed multiple acts of criminal behavior,” Hill said.The incoming attorney general discussed his views during and after a panel discussion Wednesday at the Bingham Greenebaum Doll LLP Legislative Conference in Indianapolis. He was joined by Sen. Jim Merritt, R-Indianapolis, University of Illinois at Chicago economist Frank Chaloupka, along with physicians Timothy Kelly, medical director of addiction treatment services at Community Hospital Behavioral Care Services and Jennifer Walthall, deputy state health commission and director for health outcomes with the Indiana State Department of Health.The session on health infrastructure, the opioid crisis, and the tobacco tax took a broad look at what the state can do to curb drug dependency.Merritt described addiction as an illness that “we can’t arrest our way out of.” He said he wants Indiana to kick its heroin habit in five years and he is planning to introduce a bill in the upcoming legislative session that offers a comprehensive approach to the drug problem.The panel discussion took place a day after Washington passed the bipartisan 21st Century Cures Act, which includes $1 billion over the next two years to fight the opioid and heroin epidemics. Merritt said he is unsure how much of that money will come to Indiana so he is basing his approach on not getting any federal assistance.A representative from Sen. Joe Donnelly’s office told the panel that while the amount is unclear, Indiana should expect to receive funds from the new federal initiative. The money will be funneled through the Division of Mental Health and Addiction of the Indiana Family and Social Services Administration.Hill said he wants to change the perception that the county jails and state prisons are filled with violent and nonviolent offenders. Instead the incarceration system is comprised of violent criminals and chronic offenders. He defined the latter group as individuals who break the law multiple times and even though the infractions might be minor, the only accountability mechanism available is incarceration.“Our jails are filled with users,” Hill said. “That’s not why we’re putting them there. We’re putting them there to hold them accountable for bad behavior and if we don’t address that accountability, they’re going to continue to re-offend and re-offend and re-offend regardless of whether they’re substance abusers or not.”In 2013, the Indiana General Assembly overhauled the state’s criminal code to revamp penalties and mandate low-risk offenders serve their sentences in county jails rather than being sent to the Indiana Department of Correction. The Legislature then appropriated $55 million to help communities across the state bolster services and programs aimed at helping low-risk offenders quit the cycle of recidivism.Hill said he wants to provide assistance to make sure everyone is talking the same language and all understand the problem of substance abuse.“We all want to have less people locked up, less people addicted and more people being productive,” he said. “So if we start from that standpoint, we should be able to work together to find solutions.”FacebookTwitterCopy LinkEmailSharelast_img read more

Hoboken is safe for any storms with the new upgrade in…

first_imgDear Editor:As excited as I am to have a new park in northwest Hoboken, the thing I’m most excited for is its “resilient” nature, specifically its ability to retain one million gallons of storm water. As a coastal community, Hoboken has already been hit hard by the impacts of climate change, such as the flooding caused by rising sea levels and increasingly severe storms. And climate change is only going to get worse. I’m grateful that our local government recognizes this issue and prioritizes coping with the effects of climate change.From resilience parks to flood pumps to planned flood barriers, Hoboken is working hard to protect its citizens. However, there is only so much that can be done to mitigate the effects of climate change. While local governments are busy mitigating, the federal government should be taking action to address the root causes of climate change. I’m hopeful that the bipartisan Climate Solutions Caucus in the House will lead the way in passing legislation to minimize climate change. We can, and are, doing a lot as a city, but we need the federal government to do its part in addressing this global issue.Nicholas Robinsonlast_img read more

Mayor’s Update October 21

first_imgDear Friends,Ocean City lost one of its finest citizens this week, and I’d like to pay tribute to Gloria Klause and extend condolences to her family and friends. Gloria spent all of her 90 years in Ocean City, and touched the community in many ways. She was a founder of the Old Salt gift shop and of the old Palmer Chevrolet and Oldsmobile dealership in town. She was active in the church and school in the St. Augustine parish (now St. Damien) in Ocean City, and was involved in the Stainton Society at Shore Memorial Hospital. Always the “life of the party,” Gloria and her late husband, Harry, enjoyed boating and golfing and were regular participants in the annual Night in Venice parade. A viewing will be held at 10 a.m. Thursday (Oct. 27) and a funeral Mass at 11 a.m. at St. Augustine. Gloria was always a good supporter and friend to Michele and me, and I’ll miss her, as I’m sure so many other people in Ocean City will.I’d like to thank all of the citizens who took the time to complete our survey on the Ninth Street Corridor. Almost 200 people responded, and the results are in. The survey makes it clear that people would like to see the city acquire properties for use as open space. See full results.The survey followed an Oct. 6 town hall meeting where more than 100 people shared their thoughts on the Ninth Street corridor. The city currently has an opportunity to turn abandoned gas stations and other properties into parks or public facilities. Because chances like these don’t come around often, I wanted to make sure to get full feedback from the public.We heard a lot of great ideas in the process, and we’ll consider them all as we move forward in beautifying the gateway to Ocean City.As I’m sure many of you know by now, work on the 34th Street Bridge began this week, and traffic has been backed up on the causeway and into Marmora. The tie-ups were compounded on Thursday by Garden State Parkway construction and a motor vehicle accident. They’re clear now, but all of us can expect delays throughout the winter as the single-lane traffic pattern continues.  Again, I urge everybody to have patience and to seek alternative routes as this important project is completed.The 69th annual Halloween Parade goes off at 7:15 p.m. Thursday (Oct. 27) on Asbury Avenue between 6th Street and 11th Street. It’s always a colorful and festive event, and I encourage all families to attend. Because of the parade, City Council will meet on Tuesday next week (see agenda) instead of their usual Thursday.On Sunday, the lights on the Route 52 causeway will turn red at the request of Ocean City High School to recognize National Red Ribbon Week (drug abuse and bullying awareness). On Thursday, they’ll turn orange and remain so through Halloween.Warm regards,Jay A. Gillian MayorCheck on the latest project updates and sign up for email alerts.last_img read more