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2009-special b.vp

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òåëüíî âûñîêàÿ èõ âñõîæåñòü (ïî ñðàâíåíèþ, íàïðèìåð,ñ ëèïîé ìåëêîëèñòíîé). Êðîìå ýòîãî, ïîâûøåííàÿ êîíêóðåíòîñïîñîáíîñòüêëåíà ÿñåíåëèñòíîãî, ïî ñðàâíåíèþñ àáîðèãåííûìè âèäàìè äðåâåñíûõ ðàñòåíèé, ìîæåòáûòü îáóñëîâëåíà íàáëþäàåìîé íàìè èíäèâèäóàëüíîéôåíîëîãè÷åñêîé èçìåí÷èâîñòüþ ïî ñðîêàì öâåòåíèÿ,ñîçðåâàíèÿ è «ðàññûïàíèÿ» ñåìÿí — ñâîéñòâàì,îáðàçóþùèå àäàïòèâíóþ ñòðàòåãèþ ó êëåíà (Êóëàãèí,1977). Ýòè îáñòîÿòåëüñòâà, íàðÿäó ñ íåïðèõîòëèâîñòüþâèäà ê ïî÷âåííûì è êëèìàòè÷åñêèì óñëîâèÿì, îáóñëàâëèâàþòâûñîêóþ óãðîçó äëÿ áèîðàçíîîáðàçèÿ íà ðåãèîíàëüíîìóðîâíå.  ñëó÷àå åñòåñòâåííîãî ðàçâèòèÿ ñîáûòèé÷åðåç íåñêîëüêî äåñÿòèëåòèé áîëüøàÿ ÷àñòü ëåñíûõè ñåëüñêîõîçÿéñòâåííûõ òåððèòîðèé, à òàêæå çåìåëüíàñåëåííûõ ïóíêòîâ áóäåò çàíÿòà êëåíîì ÿñåíåëèñòíûìçà ñ÷åò âûòåñíåíèÿ àáîðèãåííûõ âèäîâ äðåâåñíûõðàñòåíèé. Ïî ýòîé ïðè÷èíå àêòóàëüíûì ÿâëÿåòñÿáîëåå ïðèñòàëüíîå âíèìàíèå ê äàííîé ïðîáëåìå, áîëååâíèìàòåëüíîå îòíîøåíèå ê èñïîëüçîâàíèþ ýòîãî âèäàäëÿ îçåëåíåíèÿ è ê ñîçäàíèÿ ëåñîïîëîñ.1. Êóëàãèí Þ. Ç. Î êðèçèñíûõ äëÿ äðåâåñíûõ ðàñòåíèé ñèòóàöèÿõ// Æóðíàë îáùåé áèîëîãèè. — 1977. — Ò. 38. — ¹ 1. — C.11 – 14.2. Ïðèìàê Ð. Îñíîâû ñîõðàíåíèÿ áèîðàçíîîáðàçèÿ. — Ì., 2002.— 256 ñ.52 Àãðàðíàÿ Ðîññèÿ. <strong>2009</strong>. Ñïåöèàëüíûé âûïóñê

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