Video: Yuav ua li cas loj hlob ib tug lodgepole Pine?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kev Loj Hlob
tsob ntoo no loj hlob ntawm qhov qeeb mus rau nruab nrab, nrog qhov siab nce ntawm qhov twg los ntawm tsawg dua 12 "mus rau 24" ib xyoos twg.
Ib yam li ntawd, qhov siab npaum li cas yog lub lodgepole ntoo thuv?
Cov lodgepole ntoo hlob mus rau ib qhov siab ntawm 70-80' thiab kis ntawm ib ncig ntawm 20' ntawm kev loj hlob.
Ib yam li ntawd, lodge cone Pine loj hlob li cas? Cov noob nplais muaj ntse prickles ntawm lawv cov lus qhia. Cov tawv ntoo yog nyias, orangey-xim av rau grey, thiab finely scaled. Nws loj hlob thoob plaws sab hauv, los ntawm nruab nrab nce mus rau subalpine qhov chaw. Lodgepole pine yog tsob ntoo adaptable heev uas tuaj yeem loj hlob hauv tag nrho cov hom ntawm ib puag ncig, los ntawm dej-logged bogs mus rau qhuav sandy xau.
Yuav ua li cas koj loj hlob ib tsob ntoo lodgepole los ntawm ib tug ntoo thuv noob?
Txhawm rau txhim kho qhov tsis sib xws ntawm germination, stratify lub noob : Sib tov nrog peat los yog xuab zeb, muab tso rau hauv ib lub hnab yas ntshiab, thiab tso rau hauv tub yees rau peb mus rau xya lub lis piam. (Yog tias noob germinate nyob rau hauv lub tub yees, sow tam sim ntawd.) Sow lub noob hauv 3-nti pots, thiab muab cov cua sov hauv qab ntawm li 60 degrees.
Dab tsi noj ib lodgepole ntoo thuv?
Cov tsiaj qus: Cov noob tau noj los ntawm squirrels thiab chipmunks. Cov koob yog noj los ntawm xiav grouse thiab spruce grouse. Lodgepole Pine hav zoov muab vaj tse rau mos lwj, elk, moose, thiab dais. Tom qab hluav taws kub, beetles noj ntawm cov ntoo hlawv.
Pom zoo:
Yuav ua li cas xaum pine ntoo loj hlob sai?
1 meter ib xyoos twg
Yuav ua li cas yog qhov tshwm sim uas ib tug poj niam dig muag xim uas yuav ib tug txiv neej uas tsis pom kev zoo yuav muaj xim dig muag me nyuam?
Yog tias tus poj niam uas muaj lub zeem muag zoo li no (heterozygous rau qhov muag tsis pom xim) yuav ib tug txiv neej ib txwm muaj (XY), cov xeeb ceem hauv qab no tuaj yeem xav tau hauv F2 tiam: ntawm cov ntxhais, 50% yog ib txwm muaj thiab 50% yog cov neeg nqa khoom rau cov kab mob; ntawm cov tub, 50% yog xim dig muag thiab 50% yog qhov pom kev zoo
Yuav ua li cas yog ib tug piv txwv ntawm ib tug rational naj npawb uas tsis yog ib tug tag nrho?
Tus lej "rational" yog qhov piv ntawm ob tus lej. Piv txwv li, cov hauv qab no yog cov lej rational, thiab tsis muaj leej twg yog tus lej: 1 / 2. 2 / 3
Yuav ua li cas loj hlob ib tug zaj sawv eucalyptus ntoo los ntawm ib tug noob?
Txhawm rau germinate cov noob, ib qho chaw ntxoov ntxoo thiab qhov kub ntawm li 68 txog 72 degrees Fahrenheit yog xav tau. Muab ib lub lauj kaub cua sov tso rau hauv qab lub lauj kaub tais diav kom muaj qhov kub thiab txias. Eucalyptus deglupta noob tuaj yeem tawg hauv plaub mus rau 20 hnub. Thaum lub sij hawm germination, txav lub tais mus rau ib qho chaw semishaded
Yuav ua li cas ib tug geologist yuav qhia tau hais tias ib tug quav yog ib tug syncline thiab anti-line?
Geologic Structures (Part 5) Anticlines yog folds nyob rau hauv uas txhua ib nrab ntawm cov quav dips deb ntawm lub crest. Synclines yog folds nyob rau hauv uas txhua ib nrab ntawm cov quav dips mus rau lub trough ntawm lub quav. Koj tuaj yeem nco qab qhov sib txawv los ntawm kev ceeb toom tias anticlines tsim "A" zoo, thiab synclines tsim hauv qab ntawm "S."