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A12   WORLD NEWS
                     Saturday 11 May 2019

            Mexico’s prized beaches threatened by smelly algae invasion


            By MARK STEVENSON                                                                                                   by 11 a.m. you don’t have
            Associated Press                                                                                                    any  algae,  and  by  7  p.m.
            MEXICO CITY (AP) — Tour-                                                                                            when  the  sun  sets,  it’s  full
            ists looking for sun and sand                                                                                       again,” said Lopez.
            in Mexican resorts like Can-                                                                                        This  all  makes  people  nos-
            cun, Playa del Carmen and                                                                                           talgic  for  the  days  before
            Tulum have been disgusted                                                                                           2014 when sargassum “was
            by foul-smelling mounds of                                                                                          very  little,  very  manage-
            sargassum  —  a  seaweed-                                                                                           able, not a problem, not a
            like  algae  —  piling  up  on                                                                                      risk, just barely a line” in the
            beaches  and  turning  tur-                                                                                         sand.
            quoise  waters  brown,  and                                                                                         Now, some novel ideas for
            experts are warning that it                                                                                         what to do with collected
            may be the new normal.                                                                                              sargassum  are  springing
            Mexico’s Riviera Maya Ca-                                                                                           up,  such  as  using  it  as  an
            ribbean  coast  provides                                                                                            additive  for making bricks.
            half  the  country’s  tourism                                                                                       But its usefulness as a fertil-
            revenues and very little sar-                                                                                       izer or animal feed is limited
            gassum reached it prior to                                                                                          by  the  chemicals  it  con-
            2014. But a possible combi-                                                                                         tains,  like  salt,  iodine  and
            nation  of  climate  change,                                                                                        arsenic.
            pollution from fertilizers and                                                                                      Tourists  come  to  Mexico’s
            ocean  flows  and  currents                                                                                         Caribbean  coast  for  the
            carrying the algae mats to                                                                                          sun,  sand,  snorkeling  and
            the Caribbean has caused                                                                                            turquoise   waters.   While
            the problem to explode.      Sargassum seaweed covers the beach in Playa del Carmen, Mexico, Wednesday, May 8, 2019.  there  are  other  things  to
            While  it  may  not  have  the                                                                     Associated Press  do  on  the  coast,  like  visit-
            global  impact  of  melting  del Carmen from Knoxville,  from rivers, so all three may   taken away in what would  ing sinkhole lakes known as
            of polar ice, the vast mats  Tennessee. “This is a Carib-  have increased the recent   amount to hundreds of trips  cenotes,  Mayan  ruins  and
            of sargassum filling the Ca-  bean problem on the east  large  amounts  of  sargas-    every day.                   the  jungle,  the  beach  re-
            ribbean  could  be  one  of  coast that goes from Can-    sum,” said Hu.               Scientists  have  set  up  sar-  mains  the  prize  attraction.
            the  more  visible  climate-  cun  all  the  way  past  Am-  While  he  says  additional   gassum  tracking  systems  And  tourists  are  unlikely  to
            change events because of  bergris Caye in Belize.”        research is needed before    that detect the amount of  accept brown, algae-filled
            the  sheer  number  of  peo-  The  concerns  may  not  be  definitively  linking  it  all  to   algae  heading  for  shores  water.
            ple  who  visit  the  region’s  hyperbole:  the  sargassum  human activity, he pointed   in  the  Caribbean,  but  it’s  Local  hotel  owners  and
            popular  tourist  beaches,  mats  appear  even  worse  to evidence of “increased       hard  to  predict  when  or  tourism  industry  workers
            some officials say.          along  parts  of  Mexico’s  use  of  fertilizer  and  in-  where it will land.         —  which  is  just  about  ev-
            “This  is  one  of  the  biggest  coast  than  they  did  last  creased  deforestation”  as   Extracting it at sea risks the  erybody to some extent in
            challenges  that  climate  year. And the problem af-      possible culprits, at least as   species  that  use  the  float-  Quintana  Roo  —  are  feel-
            change has caused for the  fects  almost  all  the  islands  far  as  the  Amazon  is  con-  ing mats as cover for their  ing  abandoned  by  the
            world,”  said  the  govern-  and  mainland  beaches  in  cerned.                       young.  But  shoveling  or  federal government, which
            ment  of  Mexico’s  resort-  the  Caribbean  to  an  ex-  Warming ocean waters are     bulldozing  up  sargassum  is  planning  a  fancy  tourist
            studded  coastal  state  of  tent.  The  U.S.  Gulf  coast  likely  to  play  only  a  minor   once it washes up on shore  train to connect the coast
            Quintana  Roo.  “This  chal-  got hit in 2014 and the east  role  since  the  area  —  the   is also a herculean task that  with  Mayan  ruin  sites  in-
            lenge requires a joint, multi-  coast  of  Florida  is  getting  tropical Atlantic and Carib-  can  put  at  risk  sea  turtles’  land.
            national effort and a global  sargassum this year.        bean  —  has  always  been   nesting sites.               “With  Sargassum,  there  is
            commitment.”                 The algae flooding into the  pretty warm.                 “You  can  clean  up  a  No  Mayan  Train,”  said  a
            While  tourist  arrivals  at  the  Caribbean  is  coming  from  Meanwhile,  business  own-  beach, get it clean, imag-  slogan  launched  by  local
            Cancun  airport  were  up  an  unexpected  source:  ers in Mexico’s glitzy beach       ine  starting  at  6  a.m.  and  businesses.q
            3.3%  in  March  over  the  the tropical Atlantic waters  resorts  are  desperate  for
            same  month  last  year,  beyond  the  mouth  of  the  solutions.
            many  fear  this  will  not  Amazon River.                “What  you  have  to  do  is   4 dead in explosion at
            last  long  with  the  sargas-  Chuanmin  Hu,  a  professor  stop it before it even reach-
            sum  befouling  white  sand  of oceanography at South  es the beaches,” said Adri-     house in Colombia’s capital
            beaches  and  blue  waters,  Florida  University’s  College  an Lopez, the president of
            as well as the air — sargas-  of Marine Science, says the  Quintana Roo’s employers’   Associated Press
            sum  decomposes  with  a  sargassum mats appear to  federation.                        BOGOTA, Colombia (AP) — Four people are dead and
            rotten  egg  smell.  As  it  de-  be  the  result  of  increased  Contention lines of floating   at least eight injured after an explosion in Bogota at what
            cays  and  sinks  to  the  bot-  nutrient  flows  and  ocean  plastic  booms  can  be  an-  may have been an underground gunpowder store.
            tom,  it  can  also  smother  water upwelling that brings  chored  offshore  to  catch   Firefighter  Cmdr.  Pedro  Monasalva  said  the  blast  hap-
            the coral the Caribbean is  nutrients  up  from  the  bot-  the  incoming  mats  of  al-  pened at a home shortly before 1 p.m. local time in the
            known  for,  and  accumu-    tom. Prevailing ocean cur-   gae,  but  as  Lopez  notes,   western part of Colombia’s capital.
            lations  on  beaches  can  rents  carry  the  algae  into  some  resorts  have  very   The  loud  explosion  tore  through  two  levels  of  the  small
            make it harder for sea tur-  the  Caribbean,  where  it  shallow coral reefs located   brick  building  and  also  damaged  several  nearby  cars
            tles to nest.                can grow further.            right offshore so the booms   and a preschool.
            “In  my  humble  opinion  it’s  He says the cycle is not like-  would be less of a solution.  Investigators do not believe the incident is terror-related
            a  disaster  that  will  eventu-  ly to stop anytime soon.  And  Hu  warns  that  such  a   and are looking into a possible cause.
            ally cripple the tourism, the  “Because of global climate  solution  would  be  expen-  Authorities  are  also  investigating  whether  the  property
            businesses and, sad to say,  change  we  may  have  sive.  The  tons  of  sargas-      was being used for the fabrication of gunpowder for use
            destroy  the  local  econo-  increased  upwelling,  in-   sum building up behind the   in the popular game of “tejo.”
            my,”  said  Jef  A.  Gardner,  creased  air  deposition,  or  booms has to be gathered   The  centuries-old  pastime  is  played  by  hurling  a  metal
            a  frequent  visitor  to  Playa  increased  nutrient  source  up, put aboard boats and   disc at little packets of gunpowder.q
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