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A28    SCIENCE
                        Friday 5 april 2019
            Groups sue to restrict salmon fishing, help Northwest orcas




            By GENE JOHNSON                                                                                                     the  whales,  and  we  just
            Associated Press                                                                                                    recently  underscored  how
            SEATTLE (AP) — Federal of-                                                                                          we’re doing that in a letter
            ficials say they may restrict                                                                                       to the Pacific Fisheries Man-
            salmon fishing off the West                                                                                         agement Council,” Milstein
            Coast  to  help  the  Pacific                                                                                       wrote in an email.
            Northwest’s  critically  en-                                                                                        “We  are  reviewing  all  the
            dangered killer whales, but                                                                                         relevant  fisheries  in  the
            two  environmental  groups                                                                                          same light.”
            are suing anyway to ensure                                                                                          Teel  Simmonds  called  the
            it happens.                                                                                                         fisheries  service  response
            The Center for Biological Di-                                                                                       “a  great  sign,”  but  that  it
            versity, which filed a lawsuit                                                                                      wasn’t a clear enough step
            nearly two decades ago to                                                                                           to avert the lawsuit.
            force  the  U.S.  government                                                                                        She added that while habi-
            to  list  the  orcas  as  endan-                                                                                    tat  restoration  and  dam
            gered,  and  the  Wild  Fish                                                                                        removal  might  do  more  in
            Conservancy  asked  the      In this Jan. 18, 2014, file photo, a female orca leaps from the water while breaching in Puget Sound   the long run to bring back
            U.S. District Court in Seattle   west of Seattle, as seen from a federal research vessel that has been tracking the whale.   the  salmon,  officials  must
            on Wednesday to order of-                                                                          Associated Press  also  restrict  fishing  if  that
            ficials to reconsider a 2009  Since  then,  however,  the   ocean-salmon  harvests  off  lumbia,  Sacramento  and  can help the whales now.
            finding  that  commercial  population  of  whales  that   the West Coast; it reported  Klamath rivers.              The  lawsuit  is  the  third  the
            and  recreational  fisheries  spend their summers in the   more than 300,000 Chinook  Michael Milstein, a spokes-   Center  for  Biological  Di-
            did  not  jeopardize  the  or-  waters   between   Wash-  caught last year.            man  for  the  fisheries  ser-  versity  has  filed  since  last
            cas’ survival.               ington  state  and  Canada   Thom  urged  the  council  vice,  said  Wednesday  the  summer  to  force  the  gov-
            The National Marine Fisher-  —  known  as  the  Southern   to  consider  the  effect  of  agency  is  reviewing  the  ernment to do more for the
            ies  Service  issued  a  letter  Resident killer whales — has   salmon  fishing  on  orcas  as  lawsuit.            orcas. The others seek pro-
            early last month indicating  fallen from 87 to 75. A calf   it sets the 2019 fishing sea-  “Since  the  Southern  Resi-  tections  on  the  orcas’  full
            that it intends to do so. Ju-  born  in  December  is  the   sons, especially with regard  dents  are  endangered,  West  Coast  habitat  and  a
            lie  Teel  Simmonds,  an  at-  first to have lived past birth   to Chinook runs considered  the  Endangered  Species  “whale protection zone” in
            torney  with  the  Center  for  since  2015.  And  scientists   especially   important   to  Act requires us to consider  Puget  Sound  to  shield  the
            Biological  Diversity,  said  have  learned  much  more   the orcas in the Lower Co-   the  impacts  of  fisheries  on  whales from boat noise.q
            the  point  of  the  lawsuit  is  about  how  crucial  it  is  for
            to  ensure  they  finish  the  orcas  to  have  enough  of
            job with urgency, given the  the  large,  fatty  Chinook:   Meow hear this: Study says cats
            plight of the whales, and to  As  they  starve,  the  whales
            meantime  to  help  provide  Because  toxins  from  water  react to sound of their name
            take short-term steps in the  start burning their blubber.

            more of the orcas’ favored  pollution  are  stored  in  the
            prey, Chinook salmon.        blubber, that can harm the   By MALCOLM RITTER
            “We  have  got  to  figure  whales’  reproductive  abil-  AP Science Writer
            out how to get them more  ity, scientists believe.        NEW YORK (AP) — Hey Kit-
            salmon,”  she  said.  “Since  The  orcas  typically  spend   ty!  Yes,  you.  A  new  study
            2009  it’s  become  much  about  two-thirds  of  the      suggests  household  cats
            more  crystallized  just  how  year in the open ocean off   can respond to the sound
            critical prey availability is to  California and Oregon.  of their own names.
            their  reproductive  success  In  December,  the  Center   No  surprise  to  you  or  most
            and survival.”               for  Biological  Diversity  told   cat owners, right? But Jap-
            The  Endangered  Species  the  fisheries  service  it  was   anese  scientists  said  Thurs-
            Act  requires  the  govern-  intending to sue to force it   day that they’ve provided
            ment  to  certify  that  any  to  reconsider  how  salmon   the  first  experimental  evi-
            actions  it  approves  won’t  fishing off the coast affects   dence that cats can distin-
            jeopardize  the  survival  of  the orcas.                 guish  between  words  that
            a listed species. In the 2009  Last month, Barry Thom, the   we people say.
            review,  experts  found  that  regional  administrator  for   So you’re kind of like dogs,   This Thursday, Oct. 5, 2017 photo shows Shelley, an adopted cat,
            it  wasn’t  clear  how  a  lack  the fisheries service, said in   whose   communication   at its new home in Philadelphia.
            of prey affected orcas, but  a  letter  to  the  Pacific  Fish-  with people has been stud-                                     Associated Press
            that  the  fisheries  were  not  ery  Management  Council   ied a lot more, and who’ve  like  a  trip  to  the  vet.  And  a list of four nouns or other
            likely  to  contribute  to  their  it would do just that.  been  shown  to  recog-     they hear their names a lot.  cat’s  names,  followed  by
            extinction.                  The council helps establish   nize  hundreds  of  words  if  So the sound of it becomes  the cat’s own name.
                                                                      they’re highly trained. Sorry  special, even if they don’t  Many cats initially reacted
                                                                      if  the  comparison  offends  really  understand  it  refers  — such as by moving their
                                                                      you,  Kitty.  Atsuko  Saito  of  to their identity.       heads,  ears  or  tails  —  but
                                                                      Sophia  University  in  Tokyo  Saito  and  colleagues  de-  gradually lost interest as the
                                                                      says  there’s  no  evidence  scribe  the  results  of  their  words were read. The cru-
                                                                      cats actually attach mean-   research  in  the  journal  cial  question  was  whether
                                                                      ing to our words, not even  Scientific  Reports.  In  four  they’d  respond  more  to
                                                                      their  own  names.  Instead,  experiments  with  16  to  34  their name.
                                                                      they’ve learned that when  animals,  each  cat  heard  Sure  enough,  on  aver-
                                                                      they hear their names they  a  recording  of  its  owner’s  age, these cats perked up
                                                                      often get rewards like food  voice,  or  another  person’s  when they heard their own
                                                                      or  play,  or  something  bad  voice,  that  slowly  recited  name. q
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