{"id":732,"date":"2017-01-26T14:56:52","date_gmt":"2017-01-26T13:56:52","guid":{"rendered":"http:\/\/fraxinus.mendelu.cz\/vymladkovelesy\/?page_id=732"},"modified":"2017-01-26T15:04:12","modified_gmt":"2017-01-26T14:04:12","slug":"metodika-hodnoceni","status":"publish","type":"page","link":"https:\/\/fraxinus.mendelu.cz\/vymladkovelesy\/metodika-hodnoceni\/","title":{"rendered":"Metodika hodnocen\u00ed"},"content":{"rendered":"

Hodnocen\u00ed sou\u010dasn\u00e9ho stavu a v\u00fdznamu lokalit<\/strong><\/p>\n

Vhodnou prostorovou jednotkou pro inventarizaci v\u00fdskytu starobyl\u00fdch v\u00fdmladkov\u00fdch les\u016f je spr\u00e1vn\u00ed obvod obc\u00ed s\u00a0roz\u0161\u00ed\u0159enou p\u016fsobnost\u00ed (ORP). Jedn\u00e1 se o nejni\u017e\u0161\u00ed jednotku \u00fazemn\u00edho \u010dlen\u011bn\u00ed s\u00a0vlastn\u00edm s\u00eddlem \u00fa\u0159adu st\u00e1tn\u00ed spr\u00e1vy. \u00dazem\u00ed jedin\u00e9ho katastru nen\u00ed pro inventarizaci vhodn\u00e9, proto\u017ee je relativn\u011b mal\u00e9 a ne ka\u017ed\u00e1 obec m\u00e1 vlastn\u00ed obecn\u00ed \u00fa\u0159ad. Inventarizac\u00ed starobyl\u00fdch les\u016f v\u00fdmladkov\u00e9ho p\u016fvodu z\u00edsk\u00e1me d\u016fle\u017eit\u00e9 informace o jejich v\u00fdskytu v\u00a0dan\u00e9m \u00fazem\u00ed, jejich rozloze a sou\u010dasn\u00e9m stavu (zachovalosti a v\u00fdznamnosti). Inventarizaci lze prov\u00e1d\u011bt pouze ter\u00e9nn\u00edm pr\u016fzkumem, prost\u0159edky d\u00e1lkov\u00e9ho pr\u016fzkumu zem\u011b v\u00fdmladkov\u00fd p\u016fvod prokazateln\u011b rozli\u0161it nemohou. P\u0159i ter\u00e9nn\u00edm pr\u016fzkumu nav\u00edc mapovatel z\u00edsk\u00e1v\u00e1 d\u016fle\u017eit\u00e9 informace o\u00a0p\u0159\u00edtomnosti p\u0159\u00edrodn\u00edch a kulturn\u011b-historick\u00fdch prvk\u016f, kter\u00e9 jsou z\u00e1sadn\u00ed pro hodnocen\u00ed v\u00fdznamu lokalit starobyl\u00fdch v\u00fdmladkov\u00fdch les\u016f (Mad\u011bra et al. 2016).<\/p>\n

Z\u00e1kladn\u00ed pr\u016fzkum<\/strong> slou\u017e\u00ed k\u00a0prok\u00e1z\u00e1n\u00ed v\u00fdskytu starobyl\u00fdch v\u00fdmladkov\u00fdch les\u016f ve zkouman\u00e9m \u00fazem\u00ed, k\u00a0vymapov\u00e1n\u00ed jejich plo\u0161n\u00e9ho rozsahu a k\u00a0z\u00e1kladn\u00edmu hodnocen\u00ed jejich v\u00fdznamu. Mapovan\u00fdm \u00fazem\u00edm je obvykle spr\u00e1vn\u00ed obvod obce s\u00a0roz\u0161\u00ed\u0159enou p\u016fsobnost\u00ed. Mapov\u00e1n\u00ed v\u00fdskytu starobyl\u00fdch v\u00fdmladkov\u00fdch les\u016f mus\u00ed b\u00fdt zalo\u017eeno na celoplo\u0161n\u00e9m ter\u00e9nn\u00edm pr\u016fzkumu. Mapovatel proch\u00e1z\u00ed v\u0161echny lesn\u00ed porosty (s v\u00fdjimkou jehli\u010dnat\u00fdch monokultur) a sleduje v\u00fdskyt v\u00fdmladkov\u00fdch polykormon\u016f, kter\u00e9 jednozna\u010dn\u011b identifikuj\u00ed jejich v\u00fdmladkov\u00fd p\u016fvod. V\u00a0p\u0159\u00edpad\u011b, \u017ee nalezne porost v\u00fdmladkov\u00e9ho p\u016fvodu, provede hodnocen\u00ed zji\u0161t\u011bn\u00fdch p\u0159\u00edrodn\u00edch a kulturn\u011b-historick\u00fdch prvk\u016f. V\u00fdskyt t\u011bchto prvk\u016f hodnot\u00ed verb\u00e1ln\u011b-numerickou stupnic\u00ed (viz n\u00ed\u017ee). V\u00a0map\u011b zaznamen\u00e1 hranice lokality a ozna\u010d\u00ed ji \u010d\u00edslem, pod kter\u00fdm pak eviduje i hodnot\u00edc\u00ed formul\u00e1\u0159 a ter\u00e9nn\u00ed z\u00e1pisky.<\/p>\n

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Hodnocen\u00ed v\u00fdznamu prvk\u016f<\/strong><\/p>\n

1 \u2013 \u017e\u00e1dn\u00fd; 2 \u2013 mal\u00fd; 3 \u2013 st\u0159edn\u00ed; 4 \u2013 velk\u00fd; 5 \u2013 v\u00fdjime\u010dn\u011b velk\u00fd<\/p>\n

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P\u0159i souhrnn\u00e9m hodnocen\u00ed lokalit jsou kombinov\u00e1ny \u00fadaje o zastoupen\u00ed d\u0159evin v\u00fdmladkov\u00e9ho p\u016fvodu a v\u00fdznamu jednotliv\u00fdch p\u0159\u00edrodn\u00edch a historick\u00fdch prvk\u016f. Pro za\u0159azen\u00ed lokalit les\u016f v\u00fdmladkov\u00e9ho p\u016fvodu do starobyl\u00fdch pa\u0159ezin je rozhoduj\u00edc\u00ed p\u0159edev\u0161\u00edm stav stromov\u00e9ho patra, resp. kolik se v\u00a0sou\u010dasn\u00fdch lesn\u00edch porostech zachovalo v\u00fdmladkov\u00fdch polykormon\u016f, tvo\u0159\u00edc\u00edch z\u00e1kladn\u00ed a nejv\u00fdznamn\u011bj\u0161\u00ed p\u0159\u00edrodn\u00ed prvek starobyl\u00fdch pa\u0159ezin. V\u00fdsledn\u00e9 hodnocen\u00ed v\u00fdznamnosti lokality vych\u00e1z\u00ed ze stupnice zalo\u017een\u00e9 na kombinaci hodnocen\u00ed rozsahu pa\u0159ezin a jejich v\u00fdznamu (viz n\u00ed\u017ee).<\/p>\n

\u00a0<\/em><\/p>\n

Rozsah v\u00fdskytu les\u016f v\u00fdmladkov\u00e9ho p\u016fvodu na lokalit\u011b<\/strong><\/p>\n

1 \u2013 pa\u0159eziny na cel\u00e9 plo\u0161e<\/p>\n

2 \u2013 pa\u0159eziny na v\u011bt\u0161\u00ed \u010d\u00e1sti \u00fazem\u00ed (v\u00edce ne\u017e 50 % plochy)<\/p>\n

3 \u2013 pa\u0159eziny na men\u0161\u00ed \u010d\u00e1sti \u00fazem\u00ed (m\u00e9n\u011b ne\u017e 50 % plochy)<\/p>\n

\u00a0<\/em><\/p>\n

Hodnocen\u00ed v\u00fdznamu a v\u00fdsledn\u00e9 \u010dlen\u011bn\u00ed lokalit<\/strong><\/p>\n

A \u2013 v\u00fdznamn\u00e9 starobyl\u00e9 pa\u0159eziny (A1, A2, A3)<\/p>\n

B \u2013 starobyl\u00e9 pa\u0159eziny (B1, B2, B3)<\/p>\n

C \u2013 neprav\u00e9 kmenoviny (C1, C2, C3)<\/p>\n

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Podrobn\u00fd pr\u016fzkum<\/strong> lokalit starobyl\u00fdch v\u00fdmladkov\u00fdch les\u016f m\u00e1 zejm\u00e9na n\u00e1sleduj\u00edc\u00ed c\u00edle:<\/p>\n