{"id":5799,"date":"2016-08-19T12:03:21","date_gmt":"2016-08-19T12:03:21","guid":{"rendered":"http:\/\/obcanskymonitoring.cz\/?p=5799"},"modified":"2016-08-19T12:20:13","modified_gmt":"2016-08-19T12:20:13","slug":"petr-jesatko-budou-v-narodnim-parku-sumava-objimat-stromy-lide-nebo-harvestory","status":"publish","type":"post","link":"https:\/\/obcanskymonitoring.cz\/?p=5799","title":{"rendered":"Petr Je\u0161\u00e1tko: Budou v N\u00e1rodn\u00edm parku \u0160umava obj\u00edmat stromy lid\u00e9, nebo harvestory?"},"content":{"rendered":"<div class=\"pvc_clear\"><\/div>\n<p class=\"pvc_stats total_only \" data-element-id=\"5799\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.0\" viewBox=\"0 0 502 315\" preserveAspectRatio=\"xMidYMid meet\"><g transform=\"translate(0,332) scale(0.1,-0.1)\" fill=\"\" stroke=\"none\"><path d=\"M2394 3279 l-29 -30 -3 -207 c-2 -182 0 -211 15 -242 39 -76 157 -76 196 0 15 31 17 60 15 243 l-3 209 -33 29 c-26 23 -41 29 -80 29 -41 0 -53 -5 -78 -31z\"\/><path d=\"M3085 3251 c-45 -19 -58 -50 -96 -229 -47 -217 -49 -260 -13 -295 52 -53 146 -42 177 20 16 31 87 366 87 410 0 70 -86 122 -155 94z\"\/><path d=\"M1751 3234 c-13 -9 -29 -31 -37 -50 -12 -29 -10 -49 21 -204 19 -94 39 -189 45 -210 14 -50 54 -80 110 -80 34 0 48 6 76 34 21 21 34 44 34 59 0 14 -18 113 -40 219 -37 178 -43 195 -70 221 -36 32 -101 37 -139 11z\"\/><path d=\"M1163 3073 c-36 -7 -73 -59 -73 -102 0 -56 133 -378 171 -413 34 -32 83 -37 129 -13 70 36 67 87 -16 290 -86 209 -89 214 -129 231 -35 14 -42 15 -82 7z\"\/><path d=\"M3689 3066 c-15 -9 -33 -30 -42 -48 -48 -103 -147 -355 -147 -375 0 -98 131 -148 192 -74 13 15 57 108 97 206 80 196 84 226 37 273 -30 30 -99 39 -137 18z\"\/><path d=\"M583 2784 c-38 -19 -67 -74 -58 -113 9 -42 211 -354 242 -373 16 -10 45 -18 66 -18 51 0 107 52 107 100 0 39 -1 41 -124 234 -80 126 -108 162 -133 173 -41 17 -61 16 -100 -3z\"\/><path d=\"M4250 2784 c-14 -9 -74 -91 -133 -183 -95 -150 -107 -173 -107 -213 0 -55 33 -94 87 -104 67 -13 90 8 211 198 130 202 137 225 78 284 -27 27 -42 34 -72 34 -22 0 -50 -8 -64 -16z\"\/><path d=\"M2275 2693 c-553 -48 -1095 -270 -1585 -649 -135 -104 -459 -423 -483 -476 -23 -49 -22 -139 2 -186 73 -142 361 -457 571 -626 285 -228 642 -407 990 -497 242 -63 336 -73 660 -74 310 0 370 5 595 52 535 111 1045 392 1455 803 122 121 250 273 275 326 19 41 19 137 0 174 -41 79 -309 363 -465 492 -447 370 -946 591 -1479 653 -113 14 -422 18 -536 8z m395 -428 c171 -34 330 -124 456 -258 112 -119 167 -219 211 -378 27 -96 24 -300 -5 -401 -72 -255 -236 -447 -474 -557 -132 -62 -201 -76 -368 -76 -167 0 -236 14 -368 76 -213 98 -373 271 -451 485 -162 444 86 934 547 1084 153 49 292 57 452 25z m909 -232 c222 -123 408 -262 593 -441 76 -74 138 -139 138 -144 0 -16 -233 -242 -330 -319 -155 -123 -309 -223 -461 -299 l-81 -41 32 46 c18 26 49 83 70 128 143 306 141 649 -6 957 -25 52 -61 116 -79 142 l-34 47 45 -20 c26 -10 76 -36 113 -56z m-2057 25 c-40 -58 -105 -190 -130 -263 -110 -324 -59 -707 132 -981 25 -35 42 -64 37 -64 -19 0 -241 119 -326 174 -188 122 -406 314 -532 468 l-58 71 108 103 c185 178 428 349 672 473 66 33 121 60 123 61 2 0 -10 -19 -26 -42z\"\/><path d=\"M2375 1950 c-198 -44 -350 -190 -395 -379 -18 -76 -8 -221 19 -290 114 -284 457 -406 731 -260 98 52 188 154 231 260 27 69 37 214 19 290 -38 163 -166 304 -326 360 -67 23 -215 33 -279 19z\"\/><\/g><\/svg><\/i> &nbsp;1,070&nbsp;total views<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p><a href=\"http:\/\/obcanskymonitoring.cz\/wp-content\/uploads\/2016\/03\/Prales-V\u00fdb\u011brn\u00fd-les.jpg\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-5343\" alt=\"Prales- V\u00fdb\u011brn\u00fd les\" src=\"http:\/\/obcanskymonitoring.cz\/wp-content\/uploads\/2016\/03\/Prales-V\u00fdb\u011brn\u00fd-les-218x300.jpg\" width=\"218\" height=\"300\" srcset=\"https:\/\/obcanskymonitoring.cz\/wp-content\/uploads\/2016\/03\/Prales-V\u00fdb\u011brn\u00fd-les-218x300.jpg 218w, https:\/\/obcanskymonitoring.cz\/wp-content\/uploads\/2016\/03\/Prales-V\u00fdb\u011brn\u00fd-les-746x1024.jpg 746w, https:\/\/obcanskymonitoring.cz\/wp-content\/uploads\/2016\/03\/Prales-V\u00fdb\u011brn\u00fd-les.jpg 1573w\" sizes=\"(max-width: 218px) 100vw, 218px\" \/><\/a><\/p>\n<p>P\u0159etiskujeme nov\u00fd p\u0159\u00edsp\u011bvek\u00a0<a href=\"http:\/\/obcanskymonitoring.cz\/?page_id=3014\">Petra Je\u0161\u00e1tka<\/a>, b\u00fdval\u00e9ho vrchn\u00edho lesn\u00edho inspektora N\u00e1rodn\u00edho parku \u0160umava, kter\u00fd reaguje na \u010dl\u00e1nek<\/p>\n<p><a href=\"http:\/\/www.silvarium.cz\/zpravy-z-oboru-lesnictvi-a-drevarstvi\/stromy-v-lese-si-pomahaji-pravo\">Stromy v lese si pom\u00e1haj\u00ed<\/a><\/p>\n<p><!--more--><\/p>\n<p>S velk\u00fdm z\u00e1jmem a z\u00e1rove\u0148 s pot\u011b\u0161en\u00edm jsem si p\u0159e\u010detl z\u00e1v\u011bry tohoto setk\u00e1n\u00ed. (M\u00edn\u011bn je referovan\u00fd \u010dl\u00e1nek). Potvrzuj\u00ed to, co my, n\u011bkte\u0159\u00ed \u0161umav\u0161t\u00ed lesn\u00edci m\u00e1me v srdci, ale od vzniku N\u00e1rodn\u00edho parku \u0160umava i v my\u0161len\u00ed. Prvn\u00ed a skute\u010dn\u00fd v\u011bdec v t\u00e9to organizaci byl zn\u00e1m\u00fd, dnes ji\u017e zesnul\u00fd lesn\u00edk Ing. Karel Ka\u0148\u00e1k, zab\u00fdvaj\u00edc\u00ed se genetikou a zakladatel \u0161lechtitelsk\u00e9 stanice borovic, zn\u00e1m\u00e9 Sofronky. Ji\u017e v t\u00e9 dob\u011b n\u00e1m vypr\u00e1v\u011bl o vztahu jednotliv\u00fdch strom\u016f k sob\u011b a dal\u0161\u00ed v\u011bci, kter\u00e9 jsou v \u010dl\u00e1nku pops\u00e1ny. Ned\u00e1vno jsem se setkal i ve vedlej\u0161\u00edm Bavorsku s mykology, kte\u0159\u00ed op\u011bt tyto vztahy p\u0159i v\u00fdzkumu potvrzuj\u00ed. O vztahu lesn\u00edho prost\u0159ed\u00ed a hub jsme ji\u017e napsali i v jednom na\u0161em \u010dl\u00e1nku <a href=\"http:\/\/obcanskymonitoring.cz\/?p=5639\">Petr Je\u0161\u00e1tko: \u0160umava, dnes ji\u017e zna\u010dn\u011b d\u011brav\u00e1 \u201eZelen\u00e1 st\u0159echa Evropy\u201c<\/a>. Bohu\u017eel, Ing. Karel Ka\u0148\u00e1k byl po odvol\u00e1n\u00ed \u0161umavsk\u00e9ho veden\u00ed prezentovan\u00e9ho lesn\u00edkem Ing. Kecem a dosazen\u00edm ministrem Bendou (ODS) \u00a0sv\u00e9ho \u00fa\u0159edn\u00edka z M\u017dP Ing \u017dl\u00e1bka, tak\u00e9 ihned odvol\u00e1n, pr\u00e1v\u011b pro tyto jeho n\u00e1zory. \u0160umava se tak za\u010dala ub\u00edrat jin\u00fdm sm\u011brem, ne\u017e k ochran\u011b p\u0159\u00edrodn\u00edch proces\u016f. Bohu\u017eel i sou\u010dasn\u00e9 veden\u00ed M\u017dP a parku nepou\u017e\u00edv\u00e1 t\u011bchto znalost\u00ed, ale naopak zneu\u017e\u00edv\u00e1 rozhodnut\u00ed ministra Burs\u00edka, kter\u00fd v mimo\u0159\u00e1dn\u00fdch p\u0159\u00edpadech v r. 2007 povolil odsunut\u00ed zalesn\u011bn\u00ed holin s vyt\u011b\u017een\u00fdm, z ekosyst\u00e9mu odvezen\u00fdm a prodan\u00fdm d\u0159\u00edv\u00edm, o 28 let. Sou\u010dasn\u00fd \u0159editel po\u017eaduje na lesn\u00edc\u00edch, aby uvedenou v\u00fdji\u00edmku vyu\u017e\u00edvali &#8211; maxim\u00e1ln\u011b. Nikomu nikdo nemus\u00ed vysv\u011btlovat, \u017ee to nen\u00ed odborn\u011b podlo\u017een\u00e9 rozhodnut\u00ed, ale touha po zisku za prodan\u00e9 d\u0159\u00edv\u00ed. Dal\u0161\u00edm paradoxem je, \u017ee se st\u00e1le v\u00edce pou\u017e\u00edv\u00e1 v z\u00e1sahov\u00e9m \u00fazem\u00ed t\u011b\u017ek\u00e1 technika, tedy stroje na skl\u00edzen\u00ed d\u0159\u00edv\u00ed, kter\u00e9 jsou op\u011bt v rozporu s posl\u00e1n\u00edm n\u00e1rodn\u00edho parku, ale i s v\u011bdeck\u00fdm pozn\u00e1n\u00edm ve sv\u011bt\u011b, viz \u010dl\u00e1nek\u00a0<a href=\"http:\/\/obcanskymonitoring.cz\/?p=5765\">Petr Je\u0161\u00e1tko: \u201eV\u00fdchovn\u00e9 t\u011b\u017eby\u201c harvestory v NP \u0160umava<\/a>.<\/p>\n<p>Nikoliv v\u0161ak v na\u0161em st\u00e1t\u011b zam\u011b\u0159en\u00e9m na exploataci les\u016f i v takov\u00e9m \u00fazem\u00ed, jako je n\u00e1rodn\u00ed park&#8230;. Pr\u00fd se organizace mus\u00ed u\u017eivit&#8230; p\u0159esto\u017ee ro\u010dn\u011b dost\u00e1v\u00e1 stamilionov\u00e9 dotace od st\u00e1tu na svoje skute\u010dn\u00e9 posl\u00e1n\u00ed. V\u00edce je v tomto kr\u00e1sn\u00e9m \u010dl\u00e1nku,kter\u00fd mus\u00ed pot\u011b\u0161it ka\u017ed\u00e9ho ekologicky mysl\u00edc\u00edho a jednaj\u00edc\u00edho lesn\u00edka,ale i milovn\u00edka p\u0159\u00edrody.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.silvarium.cz\/zpravy-z-oboru-lesnictvi-a-drevarstvi\/stromy-v-lese-si-pomahaji-pravo\">Stromy v lese si pom\u00e1haj\u00ed<\/a><\/p>\n<p>Obj\u00edm\u00e1n\u00ed strom\u016f se kdekdo sm\u011bje jako p\u0159ehnan\u00e9mu, ok\u00e1zal\u00e9mu gestu. Jak je to s p\u0159ej\u00edm\u00e1n\u00edm jak\u00e9si vnit\u0159n\u00ed s\u00edly od lesn\u00edch velik\u00e1n\u016f, na to jsou zat\u00edm jen subjektivn\u00ed n\u00e1zory, ale \u017ee stromy dok\u00e1\u017eou jin\u00fdm pomoci, to je te\u010f \u010derstv\u011b v\u011bdecky prok\u00e1zan\u00e9.<\/p>\n<p>Na leto\u0161n\u00ed konferenci presti\u017en\u00ed iniciativy TED v kalifornsk\u00e9m Long Beach, na n\u00ed\u017e v\u011bdci, um\u011blci, politici \u010di byznysmeni prezentuj\u00ed \u201emy\u0161lenky, kter\u00e9 stoj\u00ed za \u0161\u00ed\u0159en\u00ed&#8221; (v \u0159\u00edjnu se bude takov\u00e1 konference konat i v Praze), vystoupila i biolo\u017eka Suzanne Simardov\u00e1 z kanadsk\u00e9 Univerzity Britsk\u00e9 Kolumbie. Ji\u017e n\u011bkolik desetilet\u00ed se specializuje na ekologii lesa a p\u0159edstavila sv\u00e1 \u2013 pro \u0159adu lid\u00ed \u0161okuj\u00edc\u00ed \u2013 zji\u0161t\u011bn\u00ed.<\/p>\n<p>Les \u017eije pod povrchem<\/p>\n<p>\u201eStromy jsou z\u00e1kladem lesa, ale les, to je mnohem v\u00edc, ne\u017e vid\u00edte o\u010dima,&#8221; \u0159ekla. \u201ePod povrchem je dal\u0161\u00ed sv\u011bt nekone\u010dn\u00fdch biologick\u00fdch cest, kter\u00e9 spojuj\u00ed jednotliv\u00e9 stromy a umo\u017e\u0148uj\u00ed jim komunikovat mezi sebou.&#8221;<br \/>\nSimardov\u00e1 sv\u00fdmi pokusy zjistila, \u017ee stromy v lese tvo\u0159\u00ed slo\u017eit\u00fd propojen\u00fd komplex schopn\u00fd komunikace a vz\u00e1jemn\u00e9 pomoci, \u0159\u00edzen\u00fd tzv. mate\u0159sk\u00fdmi stromy. Jednotliv\u00e9 stromy tak v rozporu se v\u0161eobecn\u00fdm p\u0159esv\u011bd\u010den\u00edm nesoupe\u0159\u00ed o \u201em\u00edsto na slunci&#8221;, ale spolupracuj\u00ed \u2013 pos\u00edlaj\u00ed si instrukt\u00e1\u017en\u00ed i varovn\u00e9 sign\u00e1ly a v r\u00e1mci skupin kolem mate\u0159sk\u00fdch strom\u016f se navz\u00e1jem z\u00e1sobuj\u00ed pot\u0159ebn\u00fdmi \u017eivinami jako uhl\u00edkem, vodou, dus\u00edkem \u010di fosforem.<br \/>\n\u201eStromy v lese jsou skute\u010dn\u011b jako lidsk\u00e9 \u010di jin\u00e9 \u017eivo\u010di\u0161n\u00e9 spole\u010denstv\u00ed, tvo\u0159\u00ed rodiny a p\u0159\u00edbuzensk\u00e9 svazky,&#8221; prohl\u00e1sila.<\/p>\n<p>Organiza\u010dn\u00ed centra<\/p>\n<p>Jedn\u00edm z nejp\u0159ekvapiv\u011bj\u0161\u00edch zji\u0161t\u011bn\u00ed Simardov\u00e9 je existence ji\u017e zm\u00edn\u011bn\u00fdch mate\u0159sk\u00fdch strom\u016f a jejich role v komunit\u011b strom\u016f. Jde p\u0159ev\u00e1\u017en\u011b o zral\u00e9, star\u0161\u00ed stromy, funguj\u00edc\u00ed jako \u2013 antropocentricky \u0159e\u010deno \u2013 lok\u00e1ln\u00ed organiza\u010dn\u00ed centrum, jak\u00fdsi m\u00edstn\u00ed \u00fa\u0159ad. Dohl\u00ed\u017e\u00ed na stromy, kter\u00e9 jsou na n\u011b napojeny, obstar\u00e1v\u00e1 v\u00fd\u017eivu semen\u00e1\u010dk\u016fm, a pom\u00e1h\u00e1 jim p\u0159ekonat nemoci, napaden\u00ed \u0161k\u016fdci \u010di p\u0159e\u017e\u00edt nep\u0159\u00edzniv\u00e9 podm\u00ednky. Ide\u00e1ln\u00ed prost\u0159ed\u00ed pro jejich r\u016fst je r\u016fznorod\u00e9 spole\u010denstv\u00ed druh\u016f i genotyp\u016f (souhrn genetick\u00fdch informac\u00ed v DNA, je\u017e se i v r\u00e1mci stejn\u00e9ho druhu m\u00edrn\u011b li\u0161\u00ed).<br \/>\n\u201eLesy jsou komplexn\u00ed syst\u00e9my s mimo\u0159\u00e1dnou schopnost\u00ed sebe -uzdraven\u00ed,&#8221; zd\u016fraznila Simardov\u00e1 s t\u00edm, \u017ee jej\u00ed poznatky o fungov\u00e1n\u00ed lesn\u00edch celk\u016f by m\u011bly slou\u017eit k p\u0159ehodnocen\u00ed sou\u010dasn\u00e9ho pohledu na les. Je podle n\u00ed t\u0159eba nepohl\u00ed\u017eet na les jen jako na zdroj d\u0159eva a ani jako na oblast rekreace. Dokonce ani ch\u00e1p\u00e1n\u00ed lesa jako ekologick\u00e9ho celku s klimatick\u00fdmi a biologick\u00fdmi funkcemi nen\u00ed podle n\u00ed dostate\u010dn\u00e9.<\/p>\n<p>Jedin\u00fd strom rozhodne o lese<\/p>\n<p>\u201eMate\u0159sk\u00fd strom m\u016f\u017ee b\u00fdt v jednom lese propojen se stovkami dal\u0161\u00edch strom\u016f,&#8221; up\u0159esnila Simardov\u00e1. Nep\u0159\u00edmo pouk\u00e1zala na probl\u00e9m tzv. v\u00fdb\u011brov\u00e9ho k\u00e1cen\u00ed v druhov\u011b bohat\u00fdch les\u00edch, jako jsou de\u0161tn\u00e9 pralesy v Amazonii. Jejich mimo\u0159\u00e1dn\u011b bohat\u00e1 biodiverzita s sebou nese i probl\u00e9m hrani\u010dn\u00ed vzd\u00e1lenosti jedinc\u016f stejn\u00e9ho druhu. Jestli\u017ee je takov\u00fd strom pok\u00e1cen, s\u00ed\u0165 se naru\u0161\u00ed a vz\u00e1jemn\u00fd vztah je nen\u00e1vratn\u011b p\u0159eru\u0161en, co\u017e m\u016f\u017ee ohrozit existenci druhu.<br \/>\n\u201eZdrav\u00fd les p\u0159e\u017eije, i kdy\u017e vyk\u00e1c\u00edte jeden nebo dva mate\u0159sk\u00e9 stromy, ale je tu hranice,&#8221; uvedla. \u201ePak hroz\u00ed, \u017ee kdy\u017e poraz\u00edte jedin\u00fd dal\u0161\u00ed strom, cel\u00fd syst\u00e9m se zhrout\u00ed a les kolabuje.&#8221; Kl\u00ed\u010dem ke komunikaci a spole\u010dn\u00fdm aktivit\u00e1m strom\u016f v lese je mycelium \u010dili podhoub\u00ed. To je syst\u00e9m mikroskopick\u00fdch vl\u00e1ken, hyf\u016f, kter\u00e9 tvo\u0159\u00ed vlastn\u00ed t\u011blo houby. To, co b\u011b\u017en\u011b za houbu ozna\u010dujeme, je jen plodnice, slou\u017e\u00edc\u00ed k rozmno\u017eov\u00e1n\u00ed. Mycelium roste pod povrchem a jeho velikost je vzhledem ke struktu\u0159e prakticky nezm\u011b\u0159iteln\u00e1, m\u016f\u017ee zab\u00edrat des\u00edtky i stovky \u010dtvere\u010dn\u00edch metr\u016f.<br \/>\nPaul Stamets, v\u00fdznamn\u00fd mykolog a propag\u00e1tor bioremediace (l\u00e9\u010den\u00ed pomoc\u00ed \u017eiv\u00fdch organism\u016f), p\u0159irovnal mycelia k p\u0159\u00edrodn\u00edmu internetu. Podle Simardov\u00e9 ale jde sp\u00ed\u0161 o spole\u010dn\u00fd c\u00e9vn\u00ed a nervov\u00fd syst\u00e9m lesa.<\/p>\n<p>Zelen\u00e9 matky hl\u00eddaj\u00ed sv\u00e9 d\u011bti<\/p>\n<p>\u201eV\u0161ichni milujeme sv\u00e9 d\u011bti a v\u00edme, \u017ee to plat\u00ed i o zv\u00ed\u0159atech,&#8221; uvedla Simardov\u00e1 svou p\u0159edn\u00e1\u0161ku na konferenci TED. \u201eA j\u00e1 jsem si polo\u017eila ot\u00e1zku: M\u016f\u017ee sv\u00e9 potomky milovat i Douglasova jedle? Abych se dozv\u011bd\u011bla odpov\u011b\u010f, za\u010dala jsem p\u0159ed dlouh\u00fdmi lety experimentovat.&#8221;<br \/>\nEkolo\u017eka vysadila v kanadsk\u00fdch hor\u00e1ch pokusn\u00fd les\u00edk osmi des\u00edtek strom\u016f, p\u0159ev\u00e1\u017en\u011b Doug lasov\u00fdch jedl\u00ed a b\u0159\u00edz, k nim\u017e p\u0159im\u00edchala n\u011bkolik jedinc\u016f dal\u0161\u00edch druh\u016f. K mate\u0159sk\u00fdm strom\u016fm, obklopen\u00fdm vlastn\u00edmi semen\u00e1\u010dky, zasadila i mlad\u00e9 jedli\u010dky, poch\u00e1zej\u00edc\u00ed z jin\u00e9ho lesa.<br \/>\n\u201eMate\u0159sk\u00e9 stromy sv\u00e9 \u201ad\u011bti&#8217; poznaly. Obklopily je hust\u0161\u00ed a bohat\u0161\u00ed mykorhizn\u00ed s\u00edt\u00ed (symbiotick\u00e9 sou\u017eit\u00ed ko\u0159enov\u00fdch vl\u00e1ken a hub), jej\u00edm\u017e prost\u0159ednictv\u00edm sv\u00fdm semen\u00e1\u010dk\u016fm dod\u00e1valy v\u00edce uhl\u00edku, a dokonce i za cenu omezen\u00ed vlastn\u00edho r\u016fstu, aby semen\u00e1\u010dk\u016fm zajistily v\u00edce prostoru k jejich r\u016fstu,&#8221; zjistila Simardov\u00e1. Podle n\u00ed mate\u0159sk\u00e9 stromy, jestli\u017ee jsou napadeny, zran\u011bny \u010di se bl\u00ed\u017e\u00ed doba jejich p\u0159irozen\u00e9ho z\u00e1niku, p\u0159ed\u00e1vaj\u00ed potomk\u016fm informace a zku\u0161enosti. \u201ePou\u017eili jsme izotopy ke sledov\u00e1n\u00ed p\u0159enosu uhl\u00edku z um\u00edraj\u00edc\u00edho mate\u0159sk\u00e9ho stromu \u2013 putoval kmenem do ko\u0159en\u016f a k potomk\u016fm. Nejen uhl\u00edk, ale i obrann\u00e9 sign\u00e1ly. A zm\u011b\u0159ili jsme, \u017ee tyto dv\u011b \u010dinnosti mate\u0159sk\u00e9ho stromu zv\u00fd\u0161ily odolnost mlad\u00fdch stromk\u016f v\u016f\u010di stres\u016fm. Mohu tedy prohl\u00e1sit, \u017ee stromy skute\u010dn\u011b mluv\u00ed,&#8221; shrnula.<\/p>\n<p>Univerz\u00e1ln\u00ed n\u00e1stroj v\u0161eho \u017eiv\u00e9ho<\/p>\n<p>Prvn\u00ed poznatky o komunikaci strom\u016f v\u0161ak p\u0159inesl u\u017e p\u0159ed rokem v\u00fdzkum, publikovan\u00fd v \u010dasopise Nature Communications. Skupina v\u011bdc\u016f pod veden\u00edm Matthewa Gillihama z australsk\u00e9 univerzity m\u011bsta Adelaide ve spolupr\u00e1ci s kolegy z CSIRO institutu v Canbe\u0159e, Univerzity Tasm\u00e1nie, portugalsk\u00e9ho Gulbenkianova institutu a univerzity americk\u00e9ho st\u00e1tu Maryland p\u0159inesla doklady o tom, \u017ee stromy v lese komunikuj\u00ed stejn\u00fdmi chemick\u00fdmi a elektrick\u00fdmi sign\u00e1ly, jak\u00e9 jsou zn\u00e1my u savc\u016f. Proto\u017ee ale rostliny nemaj\u00ed nervovou soustavu, vyu\u017e\u00edvaj\u00ed k tomu odli\u0161nou metodu.<br \/>\n\u201eJe zn\u00e1mo ji\u017e del\u0161\u00ed dobu, \u017ee rostliny ve stresov\u00e9 situaci, jako je sucho, extr\u00e9mn\u00ed teplota \u010di salinita p\u016fdy, produkuj\u00ed neurotransmiter GABA (gama-aminom\u00e1selnou kyselinu), u\u017e\u00edvan\u00fd \u017eivo\u010dichy, ale nebylo jasn\u00e9, zda i u rostlin m\u00e1 sign\u00e1ln\u00ed \u00falohu,&#8221; p\u0159edeslal Gilliham. \u201eNa\u0161e pr\u00e1ce uk\u00e1zala, \u017ee GABA m\u00e1 u rostlin stejn\u00e9 posl\u00e1n\u00ed \u2013 jeho p\u0159\u00ed -tomnost vede ke vzniku elektrick\u00fdch sign\u00e1l\u016f, kter\u00e9 blokuj\u00ed r\u016fst, jeli rostlina v nep\u0159\u00edzniv\u00e9m prost\u0159ed\u00ed.&#8221;<br \/>\nT\u00fdm sv\u00e9 poznatky z\u00edskal p\u0159i experimentech s p\u0161enic\u00ed, je\u010dmenem a r\u00e9vou. Rostliny vystavil stresov\u00e9 situaci (kysel\u00e9 p\u016fd\u011b, nadm\u011brn\u00e9 z\u00e1livce a intenz\u00edvn\u00edmu teplu) \u2013 a v\u0161echny reagovaly stejn\u011b.<br \/>\nZ\u00e1v\u011bry australsk\u00e9ho v\u00fdzkumu otev\u00edraj\u00ed nov\u00e9 mo\u017enosti k vy\u0161lech -t\u011bn\u00ed odoln\u011bj\u0161\u00edch odr\u016fd plodin a t\u00edm k odvr\u00e1cen\u00ed glob\u00e1ln\u00edho nedostatku potravin. Sou\u010dasn\u011b vysv\u011btluj\u00ed, pro\u010d n\u011bkter\u00e9 l\u00e9ky, vyroben\u00e9 na rostlinn\u00e9 b\u00e1zi, \u00fa\u010dinkuj\u00ed i v hum\u00e1nn\u00ed medic\u00edn\u011b.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/obcanskymonitoring.cz\/?page_id=3014\">Petr Je\u0161\u00e1tko st.<\/a>\u00a0(Autor je b\u00fdval\u00fd vrchn\u00ed lesn\u00ed inspektor N\u00e1rodn\u00edho parku \u0160umava, nyn\u00ed v d\u016fchodu).<\/p>\n<p><a href=\"http:\/\/www.ceskatelevize.cz\/ivysilani\/1129337346-pridej-se\/209562248410019\/\">Star\u0161\u00ed\u00a0po\u0159ad Petra Je\u0161\u00e1tka pro \u010ceskou televizi<\/a><\/p>\n<p>Dal\u0161\u00ed \u010dl\u00e1nky Petra Je\u0161\u00e1tka na na\u0161ich str\u00e1nk\u00e1ch jsou\u00a0<a href=\"http:\/\/obcanskymonitoring.cz\/?s=je%C5%A1%C3%A1tko&amp;x=0&amp;y=0\">zde<\/a>.<\/p>\n<p>Dal\u0161\u00ed \u010dl\u00e1nky na Ob\u010dansk\u00e9m monitoringu k t\u00e9matu \u0160umava si m\u016f\u017eete p\u0159e\u010d\u00edst <a href=\"http:\/\/obcanskymonitoring.cz\/?cat=21\">zde<\/a>.<\/p>\n<div data-counters='1' data-style='square' data-size='regular' data-url='https:\/\/obcanskymonitoring.cz\/?p=5799' data-title='Petr Je\u0161\u00e1tko: Budou v N\u00e1rodn\u00edm parku \u0160umava obj\u00edmat stromy lid\u00e9, nebo harvestory?' class='linksalpha_container linksalpha_app_3'><a href='\/\/www.linksalpha.com\/share?network='facebook' class='linksalpha_icon_facebook'><\/a><a href='\/\/www.linksalpha.com\/share?network='twitter' class='linksalpha_icon_twitter'><\/a><a href='\/\/www.linksalpha.com\/share?network='googleplus' class='linksalpha_icon_googleplus'><\/a><a href='\/\/www.linksalpha.com\/share?network='mail' class='linksalpha_icon_mail'><\/a><\/div><div data-position='' data-url='https:\/\/obcanskymonitoring.cz\/?p=5799' data-title='Petr Je\u0161\u00e1tko: Budou v N\u00e1rodn\u00edm parku \u0160umava obj\u00edmat stromy lid\u00e9, nebo harvestory?' class='linksalpha_container linksalpha_app_7'><a href='\/\/www.linksalpha.com\/share?network='facebook' class='linksalpha_icon_facebook'><\/a><a href='\/\/www.linksalpha.com\/share?network='twitter' class='linksalpha_icon_twitter'><\/a><a href='\/\/www.linksalpha.com\/share?network='googleplus' class='linksalpha_icon_googleplus'><\/a><a href='\/\/www.linksalpha.com\/share?network='mail' class='linksalpha_icon_mail'><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>&nbsp;1,070&nbsp;total views P\u0159etiskujeme nov\u00fd p\u0159\u00edsp\u011bvek\u00a0Petra Je\u0161\u00e1tka, b\u00fdval\u00e9ho vrchn\u00edho lesn\u00edho inspektora N\u00e1rodn\u00edho parku \u0160umava, kter\u00fd reaguje na \u010dl\u00e1nek Stromy v lese si pom\u00e1haj\u00ed<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=\/wp\/v2\/posts\/5799"}],"collection":[{"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5799"}],"version-history":[{"count":0,"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=\/wp\/v2\/posts\/5799\/revisions"}],"wp:attachment":[{"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obcanskymonitoring.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}