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A28    SCIENCE
                Monday 5 February 2018

            Scientists find massive Mayan society under Guatemala jungle



            GUATEMALA  CITY  (AP)  —                                                                                            and structures, both hiding
            Researchers  using  a  high-                                                                                        and preserving them.
            tech aerial mapping tech-                                                                                           “In  this  the  jungle,  which
            nique  have  found  tens  of                                                                                        has  hindered  us  in  our  dis-
            thousands of previously un-                                                                                         covery  efforts  for  so  long,
            detected  Mayan  houses,                                                                                            has actually worked as this
            buildings,  defense  works                                                                                          great  preservative  tool  of
            and pyramids in the dense                                                                                           the impact the culture had
            jungle   of   Guatemala’s                                                                                           across the landscape,” not-
            Peten  region,  suggesting                                                                                          ed  Garrison,  who  worked
            that  millions  more  people                                                                                        on  the  project  and  spe-
            lived  there  than  previously                                                                                      cializes in the city of El Zotz,
            thought.                                                                                                            near Tikal.
            The  discoveries,  which  in-                                                                                       LiDAR  revealed  a  previ-
            cluded industrial-sized agri-                                                                                       ously undetected structure
            cultural fields and irrigation                                                                                      between the two sites that
            canals,  were  announced                                                                                            Garrison  says  “can’t  be
            Thursday by an alliance of                                                                                          called anything other than
            U.S.,  European  and  Gua-                                                                                          a Maya fortress.”
            temalan     archaeologists                                                                                          “It’s this hill-top citadel that
            working  with  Guatemala’s                                                                                          has  these  ditch  and  ram-
            Mayan  Heritage  and  Na-    This digital 3D image provided by Guatemala’s Mayan Heritage and Nature Foundation, PACUNAM,   part systems ... when I went
            ture Foundation.             shows a depiction of the Mayan archaeological site at Tikal in Guatemala created using LiDAR   there, one of these things in
            The  study  estimates  that   aerial mapping technology.                                                            nine meters tall,” he noted.
            roughly  10  million  people                                                                       Associated Press  In  a  way,  the  structures
            may  have  lived  within  the  cient Mayas partly drained   the  LiDAR  data  to  look  for  Garrison  noted  that  unlike  were hiding in plain sight.
            Maya  Lowlands,  meaning  swampy areas that haven’t       one of the roads revealed.  some  other  ancient  cul-    “As  soon  as  we  saw  this
            that  kind  of  massive  food  been  considered  worth    “I found it, but if I had not  tures,  whose  fields,  roads  we all felt a little sheepish,”
            production  might  have  farming since.                   had the LiDAR and known  and        outbuildings   have  said Canuto said of the Li-
            been needed.                 And  the  extensive  defen-  that  that’s  what  it  was,  I  been  destroyed  by  subse-  DAR  images,  “because
            “That  is  two  to  three  times  sive   fences,   ditch-and-  would  have  walked  right  quent generations of farm-  these  were  things  that  we
            more  (inhabitants)  than  rampart systems and irriga-    over  it,  because  of  how  ing,  the  jungle  grew  over  had been walking over all
            people  were  saying  there  tion canals suggest a highly   dense the jungle is.”      abandoned  Maya  fields  the time.”q
            were,” said Marcello A. Ca-  organized workforce.
            nuto, a professor of Anthro-  “There’s   state   involve-
            pology at Tulane University.  ment  here,  because  we    Lawsuits say Mexican gray
            Researchers  used  a  map-   see  large  canals  being
            ping  technique  called  Li-  dug  that  are  re-directing
            DAR, which stands for Light  natural  water  flows,”  said   wolf recovery plan is flawed
            Detection  And  Ranging.  It  Thomas  Garrison,  Assistant
            bounces  pulsed  laser  light  Professor  of  Anthropology   By  SUSAN  MONTOYA  BRY-
            off  the  ground,  revealing  at  Ithaca  College  in  New   AN
            contours  hidden  by  dense  York.                         Associated Press
            foliage.                     The 810 square miles (2,100   ALBUQUERQUE,  N.M.  (AP)
            The  images  revealed  that  square kilometers) of map-   —  U.S.  wildlife  managers
            the  Mayans  altered  the  ping  done  vastly  expands    failed to adopt a recovery
            landscape  in  a  much  the area that was intensive-      plan  for  the  endangered
            broader  way  than  previ-   ly  occupied  by  the  Maya,   Mexican  gray  wolf  that
            ously  thought;  in  some  ar-  whose  culture  flourished   would  protect  against  il-
            eas,  95  percent  of  avail-  between  roughly  1,000  BC   legal  killings  and  the  con-
            able land was cultivated.    and 900 AD. Their descen-    sequences  of  inbreeding,
            “Their  agriculture  is  much  dants still live in the region.  according  to  lawsuits  filed
            more  intensive  and  there-  The  mapping  detected      Tuesday by environmental-
            fore  sustainable  than  we  about  60,000  individual    ists.
            thought,  and  they  were  structures,  including  four   Two  coalitions  of  environ-
            cultivating  every  inch  of  major  Mayan  ceremonial    mental  groups  filed  sepa-                                          Associated Press
            the  land,”  said  Francisco  centers  with  plazas  and   rate  complaints  in  federal  ing genetic threats.      are made.”
            Estrada-Belli,  a  Research  pyramids.                    court  in  Arizona,  marking  “Mexican  wolves  urgently  “This recovery plan was de-
            Assistant Professor at Tulane  Garrison said that this year   the  latest  challenges  in  a  need more room to roam,  signed  by  politicians  and
            University,  noting  the  an-  he  went  to  the  field  with   decades-long  battle  over  protection  from  killing  and  anti-wolf  states,  not  by  in-
                                                                      efforts  to  re-establish  the  more  releases  of  wolves  dependent  biologists,”  he
                                                                      predator in its historic range  into the wild to improve ge-  said.
                                                                      in the American Southwest  netic diversity, but the Mex-  Federal officials did not im-
                                                                      and northern Mexico.         ican  wolf  recovery  plan  mediately  respond  Tues-
                                                                      The  lawsuits  alleges  the  provides  none  of  these  day to a message seeking
                                                                      plan  adopted  by  the  U.S.  things,”  said  Earthjustice  comment  about  the  law-
                                                                      Fish  and  Wildlife  Service  attorney  Elizabeth  Forsyth,  suit  but  have  previously
                                                                      set inadequate population  who  is  representing  the  defended  the  plan,  which
                                                                      goals for the wolves, cut off  groups.                    was  adopted  in  Novem-
                                                                      access  to  vital  habitat  in  “The  wolves  will  face  an  ber after decades of legal
                                                                      other parts of the West and  ongoing threat to their sur-  wrangling   and   political
                                                                      failed to respond to mount-  vival unless major changes  battles.q
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