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An experimental study of growth in relation to morphology and shoot water content in maritime Antarctic mosses

first_imgThe dependence of shoot growth and growth form on water availability was studied experimentally in six species of maritime Antarctic moss. Under all conditions the largest growth increments were observed in the hydric species Brachythecium austro-salebrosum and Drepanocladus uncinatus. The xeric Andreaea depressinervis grew the least. Lateral shoot production varied within and between species. Over 50 % of the biomass produced in D. uncinatus was derived from lateral shoot production, whereas Polytrichum alpestre produced very few lateral shoots and A. depressinervis produced none. Leaf density and leaf size also varied with total water content. In all species growth ceased at total water contents of 100% d. wt or less. However, the total water content at which maximum growth was observed differed between species. Racomitrium austro-georgicum (mesic/xeric) had the lowest optimum for growth at 370% of d. wt and D. uncinatus (hydric) exhibited maximum growth between 890 and 2300% d. wt. Optimum total water contents for growth were greater than those at full turgor and published optima for net assimilation. Growth and total water content of these Antarctic mosses were similar to those reported for temperate species.last_img read more

NY Medical Marijuana Bill Hearing Held in Mineola

first_imgSign up for our COVID-19 newsletter to stay up-to-date on the latest coronavirus news throughout New York New York lawmakers have proposed legalizing medical marijuana (DEA).The chairman of the State Assembly Health Committee held a hearing Wednesday in the chamber of the Nassau County Legislature on a bill to authorize the medical use of marijuana in New York State.Assemb. Richard Gottfried (D-Manhattan) is co-sponsoring the bill, known as the Compassionate Care Act, with State Sen. Diane Savino, (D-Staten Island). On hand for the hearing in Mineola was the ranking Republican Assemblyman on the committee, Andrew Raia (R-East Northport), who supports the legislation, though he had opposed similar bills in the past.“The reason for voting ‘no’ for so many years and now voting ‘yes,’” Raia told the Press, “is because once you have states that have legalized recreational use and you have states right around us…that are legalizing medicinal marijuana, then at what point should we be the last one off the train?”Over the years, the Assembly has passed medical marijuana legislation four times with varying degrees of bipartisan support, according to Gottfried. So far, the State Senate has not taken up Savino’s amended measure or even held a hearing on it.More than 50 people testified at the hearing, ranging from anguished parents holding their children stricken with severe seizure disorders to doctors, patients and advocates saying that it’s time New York joined neighboring states like New Jersey and Connecticut, where medical marijuana is legal in the treatment of those with serious health conditions. On the other side were those like Dr. Jeffrey Reynolds, executive director of the Long Island Council on Alcoholism and Drug Dependence, who expressed concern that approving marijuana use—no matter whether it was smoked outright or its active ingredients were taken in a pill—would open the door to drug abuse and worse social problems.The legislation would set up a tightly regulated and controlled medical marijuana system in which healthcare practitioners licensed to prescribe controlled substances would certify the patient’s need. The medicinal marijuana would be for patients with severe debilitating or life-threatening conditions. So far, 20 states plus the District of Columbia have medical marijuana laws on the books.At times, the testimony was emotionally wrenching. Paula Joana and her husband Philip drove in from New Jersey to recount how their 18-month-old daughter with severe epilepsy had died while they waited to qualify for their state’s newly enacted medical marijuana program. Carly Tangney Decker and her husband Jeff Decker, who was holding their lively 7-month-old daughter Mabel, had driven down from Kingston to say that they were leaving for Colorado right after the hearing because they recently learned that they could obtain a legal strain of a marijuana derivative that offered the best chance of helping their daughter who suffers from a rare genetic disorder causing severe seizures.Cindy Tangney told the Assembly hearing that her daughter Carly and son-in-law Jeff will fly to Colorado to seek medical marijuana treatment for their 7-month-old daughter’s severe seizures. (Spencer Rumsey/Long Island Press)“It’s not about smoking pot,” Cindy Tangney, Carly’s mother, told the hearing. “Passage of this bill would let my granddaughter remain in New York.”Jennifer and Gary Ruta of Sayville brought their 28-year-old daughter, Stephanie, with them in her wheelchair and explained how she’d been suffering from epilepsy since she had her first seizure when she was 6 weeks old. Pharmaceuticals and surgery were the only options her parents had back then, but these methods did not work. The side effects of the medications only grew more and more debilitating while her daughter’s condition only deteriorated.“For our daughter’s sake and for the sake of others, we must be advocates for the legalization of the use of medical marijuana,” her mother testified.Whether these parents’ pleas will pass muster in Albany remain to be seen.State Sen. Dean Skelos (R-Rockville Centre), the head of the Republican caucus and co-leader of the Senate, did not return calls for comment. Skelos is in a power-sharing role with Sen. Jeff Klein (D-Bronx), who heads the four-member Independent Democratic Conference.Raia wasn’t sure how the Compassionate Care Act might fare with his Republican friends in the State Senate considering the uncertain coalition currently holding it all together.“If you’d asked me two years ago if we were going to be passing minimum wage and gay marriage in the Senate—and basically every single thing the Conservative Party is against,” Raia said, “I would have said it will never happen. But the Senate majority is not the Senate majority. It’s a Senate majority with a group of four Democrats. And if that’s forcing them a little bit more toward the center, then I guess anything’s possible.”But he was sure of one thing.  “I think if the governor wants it, it will happen,” said Raia. “But so far the governor’s been pretty mum on it.”Savino was optimistic about the legislation’s chances in the Senate—and she’s a member of the Independent Democratic Conference.“Currently, we have far more votes than necessary to pass the bill,” she told the Press in an email. “The real obstacle has been the governor, who has a different marijuana policy issue that he was lobbying for: the decriminalization of small amounts of marijuana in public view.”She doesn’t see that as a deal breaker in the next session, given that a new mayor and police commissioner in New York City may defuse the public furor over the controversial “stop and frisk” policy there and allow political momentum to promote medical marijuana use.She said she’ll be “aggressively pushing this bill this year,” and because she says “it is a priority for the Independent Democratic Conference…that moves the issue front and center.”last_img read more

ICC World Cup Bangladesh sack coach Steve Rhodes after lacklustre World Cup

first_imgNew Delhi : Bangladesh Cricket Board (BCB) has decided to part ways with head coach Steve Rhodes before the completion of his tenure following the team’s eighth-place finish in the World Cup. Bangladesh finished well out of the top-four but won hearts with their spirited display that saw them pick up memorable wins over South Africa and West Indies.Shakib  Al Hasan was on a roll with both bat and ball, scoring 606 runs at 86.57 besides picking up 11 wickets.”The board had a review following the Pakistan match (Bangladesh’s last at the World Cup) in a meeting in London,” BCB CEO Nizamuddin Chowdhury was quoted as saying by the ESPNcricinfo. “There it was decided that the BCB and Steve Rhodes will not continue on their agreement. The separation was by mutual consent.The BCB has not yet decided on a new coach for the Sri Lanka series, which is their next assignment,” he added.Rhodes was on a two-year contract after taking charge of the team in June last year.Bangladesh’s next assignment is a three-match ODI in Sri Lanka later this month and will be travelling without most of their support staff which helped them in the World Cup.The contracts of fast-bowling coach Courtney Walsh and spin coach Sunil Joshi have also not been extended. West Indies great Walsh joined the team in August 2016 and former India spinner Joshi in August 2017.  For all the Latest Sports News News, ICC World Cup News, Download News Nation Android and iOS Mobile Apps.last_img read more