taiga coniferous for的問題,透過圖書和論文來找解法和答案更準確安心。 我們找到下列地圖、推薦、景點和餐廳等資訊懶人包

taiga coniferous for的問題,我們搜遍了碩博士論文和台灣出版的書籍,推薦Raycroft, Mark寫的 Moose: Crowned Giant of the Northern Wilderness 可以從中找到所需的評價。

國立屏東科技大學 森林系所 陳建璋、魏浚紘所指導 耿翊的 利用衛星影像評估莫蘭蒂颱風對金門本島地景變遷及森林恢復之影響 (2018),提出taiga coniferous for關鍵因素是什麼,來自於地上生物量、森林恢復、地景指標、常態化差異植生指標。

而第二篇論文國立臺灣大學 森林環境暨資源學研究所 王亞男所指導 林天培的 台灣屏東萬隆農場四種平地造林樹種之枯落物動態變化及落葉養分分析 (2014),提出因為有 萬隆農場、平地造林、枯落物、落葉養分的重點而找出了 taiga coniferous for的解答。

接下來讓我們看這些論文和書籍都說些什麼吧:

除了taiga coniferous for,大家也想知道這些:

Moose: Crowned Giant of the Northern Wilderness

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為了解決taiga coniferous for的問題,作者Raycroft, Mark 這樣論述:

Features 140 powerful photographs of this majestic animal. Moose features the biology and natural history of the northwood's largest land mammal. Illustrated with the exquisite photographs of famed wilderness photographer Mark Raycroft, this book celebrates this magnificent and elusive forest giant.

Weighing up to 1,800 pounds, the moose is the largest living member of the deer family. It ranges across New England to Montana, northern Canada and Alaska, and inhabits Scandinavia and Russia as well. Of the seven subspecies of moose, four of them live in North America where 1 million moose live.

They inhabit the northern deciduous and mixed coniferous forests in the east, the aspen parklands of the midwest, the vast boreal forests that span the continent, the northern taiga and up into the southern fringes of the tundra. Moose have been re-introduced to Wisconsin, Minnesota and New Hampshi

re, and were introduced to Newfoundland as a food source. The name "moose" is derived from the Algonquian native word "mooswa", which means, "animal that strips bark from trees", or "twigeater" and first appeared in the English language in the 1600s. Moose can run up to 35 miles an hour, swim effor

tlessly for long periods of time, dive as deep as 18 feet and stay submerged for as long as a minute. Their considerable weight and awesome antlers also make them a spectacle to behold. Despite their physical grandeur, moose face challenges from encroaching human activity and a warming climate. More

southerly species are moving ever northward where the animals seek out the cooler climes that they need to thrive. Chapters include: Moose Ecology Moose Species Coast To Coast The Antler Cycle The Rut Moose Conservation and the Future Photographing Moose. Mark Raycroft is a wildlife phot

ographer and biologist and the author of many books on wildlife.

利用衛星影像評估莫蘭蒂颱風對金門本島地景變遷及森林恢復之影響

為了解決taiga coniferous for的問題,作者耿翊 這樣論述:

臺灣位於颱風常經路徑上,於夏季時,颱風挾帶之強風及大量降水引起臺灣各類型之災害,金門地區因有臺灣地形屏障雖受颱風之影響較小,但於2016年莫蘭蒂颱風造成金門地區嚴重災情,產生劇烈地景變化,特別是森林生態系深受颱風影響嚴重。隨著遙測(Remote Sensing, RS)技術精進,配合地景生態學(Landscape Ecology)概念的發展,使地景生態監測更加容易執行,且可針對長時間尺度或大範圍之地景進行研究。本研究利用Sentinel 2衛星影像進行影像分類,監測金門地區於莫蘭蒂颱風前後森林及地景變化,並分析森林面積、常態化差異植生指標(Normalized Difference Vege

tation Index, NDVI)、地上生物量(Above Ground Biomass, AGB)、土地利用類型及地景指標之變遷與變化,以了解莫蘭蒂颱風對金門地區之衝擊。研究結果顯示,影像分類總體準確度為89%,kappa值為0.87,森林範圍因受颱風影響而受損後減少了約16%,於隔年再減少15%,於颱風後2年部分受損森林逐漸恢復;NDVI於颱風過後年明顯下降,於颱風後1年因林木之重新生長而迅速恢復;AGB估量中以NDVI作為依據,並建立金門地區適用之迴歸式,發現AGB於颱風當年下降約82%,於颱風後兩年即恢復至颱風前之狀態;地景指標中藉由Shannon 地景多樣性(Shannon`s

Diversity Index, SHDI)之t-檢定顯示颱風確實造成金門地景多樣性提升(p < 0.01),因金門本島之森林面積最大,SHDI之上升代表森林面積相對縮減,導致其與其他土地利用面積比例更為接近,因此就森林恢復情形而言,SHDI下降可能代表森林有所恢復。研究結果可供為森林災害監測研究之參考。

台灣屏東萬隆農場四種平地造林樹種之枯落物動態變化及落葉養分分析

為了解決taiga coniferous for的問題,作者林天培 這樣論述:

平地造林對台灣林業的影響不容忽視,其中造林面積最大為台糖公司的屏東萬隆農場290.66 ha。由於枯落物收集是一項非破壞性的技術,故最常被用來推估森林的生產力、物候以及生物量轉換。本研究於屏東萬隆農場進行枯落物相關試驗,以台灣櫸、光蠟樹、土肉桂及大葉桃花心木作為研究對象,比較四樹種間的落葉特性和落葉養分濃度差異,藉此了解屏東人工造林地內養分循環的情形。枯落物一個月收集兩次,從2011年1月到2011年12月,為期一年。研究結果顯示:台灣櫸的年枯落物量2.92 Mg ha-1 yr-1,光蠟樹4.85 Mg ha-1 yr-1,土肉桂2.61 Mg ha-1 yr-1,大葉桃花心木2.55 M

g ha-1 yr-1。四樹種皆以落葉占枯落物總量的百分比最大,是枯落物中最重要的組成成分,台灣櫸91.1%,光蠟樹85.8%,土肉桂88.4%,大葉桃花心木94.2%,使枯落物和落葉呈現相當一致的季節變化。四試驗樹種的落葉型式各異,台灣櫸的落葉高峰為9~11月,光蠟樹為10~3月,土肉桂為6~8月,大葉桃花心木為1~4月。台灣櫸、光蠟樹、土肉桂的葉部養分含量為碳>氮>鈣>鉀>鎂>磷>鈉,大葉桃花心木則為碳>鈣>氮>鉀>鎂>磷>鈉。光蠟樹在落葉高峰時,氮、磷濃度有偏低的趨勢。本研究結果顯示,樹種組成不同為造成枯落物量、落葉季節及葉部養分含量差異的原因。