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A28    SCIENCE
               Thursday 28 February 2019
            Ash loggers race against time before beetles get them all



            By MICHAEL HILL                                                                                                     wood  exporter  Mark  Lip-
            WALTON,  N.Y.  (AP)  —  Log-                                                                                        schitz  said  he  can  barely
            gers  in  snowy  forests  are                                                                                       source  ash  anymore  from
            cutting  down  ash  like                                                                                            the southern part of Penn-
            there's  no  tomorrow,  seek-                                                                                       sylvania and Maryland.
            ing to stay one step ahead                                                                                          "I  have  a  standing  order
            of  a  fast-spreading  beetle                                                                                       with my sawmill guys," said
            killing the tree in dozens of                                                                                       Lipschitz, owner of Nina Co.
            states.                                                                                                             "I  just  tell  them:  I  will  take
            The  emerald  ash  borer                                                                                            every stick of ash that you
            has  been  chewing  its  way                                                                                        can supply."
            through  trees  from  Maine                                                                                         The decline has coincided
            to Colorado for about two                                                                                           with  reduced  demand  for
            decades,  devastating  a                                                                                            ash baseball bats as more
            species  prized  for  yielding                                                                                      sluggers  are  swinging  with
            a  light-grained  hardwood                                                                                          maple.  But  the  beetle  has
            attractive  enough  for  fur-                                                                                       been doing its work even as
            niture and resilient enough                                                                                         ash wood has caught on in
            for  baseball  bats.  Many                                                                                          China, which takes in more
            hard-hit  areas  are  east  of                                                                                      exported U.S. ash than any
            the  Mississippi  River  and                                                                                        other  country,  according
            north  of  the  Mason-Dixon                                                                                         to the American Hardwood
            Line. Some fear areas in the                                                                                        Export Council. Ash exports
            invasion  zone  like  upstate                                                                                       to  China  slowed  last  year
            New York might have only                                                                                            amid  trade  tensions  and
            five  to  seven  years  of  ash                                                                                     higher  tariffs,  though  the
            logging left.                In this Feb. 7, 2019 photo, an ash log at The Wagner Companies' mill in Owego, N.Y. shows evi-  United  States  and  China
            "Emerald ash borer is prob-  dence that a larval emerald ash borer was active in the tree before it was cut.        are  working  to  reconcile
            ably  the  most  thorough                                                                          Associated Press  their trade differences.
            killing  machine  that  we've                                                                                       There are no signs that the
            come  across  in  my  career  covered  stateside  in  2002  gly scars from a larval tun-  felled  tree  almost  knee-  emerald ash borer will stop
            over the last 35 years," said  in Michigan and has since  nel  were  partially  exposed  high  in  diameter  revealed  spreading  anytime  soon,
            Tom Gerow, general man-      destroyed  tens  of  millions  on a stacked log where the  a roughly 80-ring cross sec-  with  even  states  in  the
            ager for The Wagner Com-     of  ash  trees  in  more  than  bark  came  off.  The  wood  tion  that  looked  blonde  Northwest on guard.
            panies, which specializes in  30 states. It might have un-  inside  is  still  good  for  lum-  and healthy.        Some see ash following the
            furniture-grade lumber.      wittingly been bought over  ber, but the markings show  Still,  an  ash  tree  usually  fate of the American chest-
            Wagner is sawing ash at its  from  Asia  in  shipping  pal-  the  tree  was  on  borrowed  takes several years to show  nut,  a  once-prolific  tree
            mills  at  about  double  the  lets. No one knows for sure.  time.                     obvious  signs  of  deteriora-  that  was  decimated  by
            rate they used to. And out  But  it's  clear  that  the  em-  Winter  is  a  prime  time  for  tion.  And  Wagner  head  blight more than a century
            in the woods, there's often  erald  ash  borer  kills  almost  logging. The frozen ground  forester  Eric  LaClair  noted  ago.  George  Robinson,  a
            no  reason  to  follow  the  every  tree  it  attacks,  from  and  leaf-free  trees  can  that the emerald ash borer  University at Albany biology
            common practice of leav-     thick-canopied  suburban  make it easier to get to and  has already hit trees to the  professor  and  a  member
            ing  trees  behind  to  regen-  shade trees to tall pockets  drag out the logs.        south and east.              of  the  state  Invasive  Spe-
            erate the forest.            of ash in the woods.         Ash  trees  being  cut  down  "Realistically, when you look  cies  Advisory  Committee,
            "When  we're  harvesting  a  Females  lay  eggs  on  ash  by  a  crew  recently  on  a  at this stand here, it could  doesn't  think  the  ash  will
            stand that has ash in it and  bark  and  larval  beetles  snowy  hillside  in  Walton,  be here," LaClair said, look-  be  entirely  wiped  out.  But
            you know it's imminent that  bore  looping  tunnels  just  west  of  the  Catskill  Moun-  ing  at  the  towering  trees.  they'll be greatly reduced.
            the ash borer is going to be  beneath,  cutting  the  flow  tains, still looked good. The  "We're  just  not  seeing  evi-  "The  hope,"  he  said,  "is  by
            there, we tend to cut all of  of  trees'  nutrients  and  wa-  thick  trees  shot  straight  up  dence of it."      collecting seeds and some
            the ash," Gerow said.        ter.  At  the  Wagner  mill  in  for  dozens  of  feet  before  Farther  south,  the  situation  specimens  there  will  be  a
            The  beetle  was  first  dis-  Owego,  New  York,  squig-  branching out. One freshly  is  dire.  In  Maryland,  hard-  future for the ash."q
            Experts report spike in harp seal strandings on East Coast



            PORTLAND,     Maine    (AP)  Marine Mammals of Maine  Lynda Doughty said about
            —  Experts  are  trying  to  reports that it has respond-  a third of those seals were
            pinpoint  the  cause  of  a  ed  to  63  reports  of  harp  distressed or unhealthy.
            sharp increase in harp seal  seal  strandings  so  far  this  The  Portland  Press  Herald
            strandings  along  the  East  year,  compared  to  six  last  reports that biologists have
            Coast.                       year.  Executive  Director  not  found  evidence  that
                                                                      the  harp  seals  are  suffer-
                                                                      ing from the distemper virus
                                                                      that killed hundreds of har-
                                                                      bor  seals  last  year  in  New
                                                                      England.
                                                                      Officials say the strandings
                                                                      are happening as far south
                                                                      as  Virginia.  People  who
                                                                      encounter  the  seals  are
                                                                      encouraged  to  give  them   In this March 30, 2008 file photo, a harp seal pauses after being
                                                                      space.q                      released in Maine following treatment after being found strand-
                                                                                                   ed earlier in the year.
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