Data Set Citation:
When using this data, please cite the data package:
Uryu Experimental Forest .
tree census, long-term permanent plot No.31-2 (compartment 105), Uryu Experimental Forest, Hokkaido, establishment in 1998
JaLTER-Hokkaido-Kita.1530.1 (https://db.cger.nies.go.jp/JaLTER/metacat/metacat/JaLTER-Hokkaido-Kita.1530.1/jalter-en)
General Information:
Title:tree census, long-term permanent plot No.31-2 (compartment 105), Uryu Experimental Forest, Hokkaido, establishment in 1998
(ja) 毎木調査,長期観察林31-2号(105林班),雨龍研究林,北海道,1998年調査
Identifier:JaLTER-Hokkaido-Kita.1530.1
Abstract:
In Hokkaido University, Uryu Experimental Forest, compartment 105, the dynamics of Birch secondary forest . In 1998, a tree census with an area of 0.25 ha (50 m x 50 m) was established. After the investigation, thinning was carried out in 1998.The diameter at breast height (DBH), tree height, Height of the crown base, and crown width were measured at 5 or 10-year intervals . (ja) 北海道大学雨龍研究林105林班シラカンバ二次林の動態を調べた。1998年に面積0.25ha (50m×50m)の調査区を設けた。1998年調査後、間伐を行った。5~10年間隔で胸高直径,樹高,枝下高,樹幹幅を計測した。
Keywords:tree census / 森林調査(しんりんちょうさ):
  • long-term permanent plot
    (ja) 長期観察林(ちょうきかんさつりん)
  • tree census
    (ja) 毎木調査(まいぼくちょうさ)
study site / 調査サイト:
  • compartment 105
    (ja) 105林班
  • Uryu
    (ja) 雨龍
  • Hokkaido
    (ja) 北海道
forest type / 森林タイプ:
  • natural forestBirch secondary forest
    (ja) 二次林
Data Table, Image, and Other Data Details:
Metadata download: Ecological Metadata Language (EML) File
Data Table:JDC_uryu-no31-2_19980401.csv / JDC_uryu-no31-2_19980401.csv ( View Metadata | Download File download)

Involved Parties

Data Set Owners:
Individual: Uryu Experimental Forest (ja) 雨龍研究林(うりゅうけんきゅうりん)
Organization:Field Science Center for Northern Biosphere, Hokkaido University
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Moshiri,
Horokanai Uryu-gun, Hokkaido 074-0741 Japan
(ja) 日本 074-0741 北海道(ほっかいどう) 雨竜郡(うりゅうぐん)幌加内町(ほろかないちょう)
(ja)字母子里(あざもしり)
Phone:
+81-165-38-2125 / 0165-38-2125 (voice)
Phone:
+81-165-38-2400 / 0165-38-2400 (fax)
Email Address:
uryu@fsc.hokudai.ac.jp
Web Address:
http://www.hokudaiforest.jp
Data Set Contacts:
Individual: Uryu exprometal forest (ja) 雨龍研究林
Organization:Northern Forestry Research and Development Office, Forest Research Station, Field Science Center for Northern Biosphere, Hokkaido Univeraity
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Mosiri,
Horokanai, Hokkaido 074-0741 Japan
(ja) 日本 074-0741 北海道 幌加内
(ja)母子里
Phone:
+81-165-38-2125 / +81-165-38-2125 (voice)
Phone:
+81-165-38-2410 / +81-165-38-2410 (fax)
Email Address:
uryu@fsc.hokudai.ac.jp
Web Address:
http://forest.fsc.hokudai.ac.jp/~exfor/fr/
Associated Parties:
Individual: Uryu Experimental Forest (ja) 雨龍研究林(うりゅうけんきゅうりん)
Organization:Field Science Center for Northern Biosphere, Hokkaido University
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Moshiri,
Horokanai Uryu-gun, Hokkaido 074-0741 Japan
(ja) 日本 074-0741 北海道(ほっかいどう) 雨竜郡(うりゅうぐん)幌加内町(ほろかないちょう)
(ja)字母子里(あざもしり)
Phone:
+81-165-38-2125 / 0165-38-2125 (voice)
Phone:
+81-165-38-2400 / 0165-38-2400 (fax)
Email Address:
uryu@fsc.hokudai.ac.jp
Web Address:
http://www.hokudaiforest.jp
Individual: staff room of Forest Research Station (ja) 森林圏統括管理部(しんりんけんとうかつかんりぶ)
Organization:Field Science Center for Northern Biosphere, Hokkaido University
(ja) 北海道大学北方生物圏フィールド科学センター
Address:
Kita-9, Nishi-9, Kitaku,
Sapporo, Hokkaido 060-0809 Japan
(ja) 日本 060-0809 北海道 札幌市
(ja)北区北9西10
Phone:
+81-1656-5-3216 / 011-706-3651 (voice)
Phone:
+81-1656-5-3218 / 011-706-3451 (fax)
Email Address:
shinrin@fsc.hokudai.ac.jp
Web Address:
http://www.hokudaiforest.jp

Data Set Characteristics

Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "a". / 杭aのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.1496665  degrees
East:  142.1496665  degrees
North:  44.09747592  degrees
South:  44.09747592  degrees
Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "b". / 杭bのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.1490291  degrees
East:  142.1490291  degrees
North:  44.0975227  degrees
South:  44.0975227  degrees
Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "c". / 杭cのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.149145  degrees
East:  142.149145  degrees
North:  44.09798318  degrees
South:  44.09798318  degrees
Geographic Region:
Geographic Description:Long-term permanent Plot No.01. Point "d". / 杭dのxy座標wgs84(度10進)
Bounding Coordinates:
West:  142.149742  degrees
East:  142.149742  degrees
North:  44.09791702  degrees
South:  44.09791702  degrees
Time Period:
Date:
1998-04-01
Time Period:
Date:
2003-04-09
Time Period:
Date:
2008-04-02
Time Period:
Date:
2017-04-11
Taxonomic Range:
Taxonomic System:
Classification Citation:
Title:Y List
(ja) 「BG Plants 和名−学名インデックス」 (YList)
Author(s):
Individual: /Yonekura, Kajita (ja) 米倉 浩司, 梶田 忠
BOOK:
Publisher:
Organization:http://www.ylist.info/
(ja) http://www.ylist.info/
ID Name:
Organization:Unknown
Procedures:Unknown
Classification:
Rank Name:Species
Rank Value:Betula platyphylla Sukaczev var. japonica (Miq.) H.Hara
Common Name:シラカンバ

Sampling, Processing and Quality Control Methods

Step by Step Procedures
Step 1:
Description:

Location / 位置

The tree census plot is located in compartment 109 of Uryu Experimental Forest. The area of the tree census is 0.25ha (50m x 50m).
(ja) 調査地は雨龍研究林第109林班に位置する。調査区の面積は0.25ha(50m×50m)である。

Step 2:
Description:

Targets to measure / 測定対象

The target trees were 6 cm or more in diameter at breast height (1.3 m). Individual trees were identified using numbered metal plates.
(ja) 胸高直径6cm以上を対象とした。金板を調査木に取り付け個体識別した。

Instrument(s): metal plate / アルミ製金板
Step 3:
Description:

Species / 樹種名

Species of the targeted trees were recorded.
(ja) 測定対象木の樹種を記録した。

Step 4:
Description:

Girth at breast height, Diameter at breast height / 胸高周囲長(きょうこう しゅういちょう)、胸高直径(きょうこうちょっけい)

In 1998 , diameter at breast height (DBH: 1.3 m above ground) was measured with a caliper (2 cm unit)
(ja) 1998年調査では、測定対象木の胸高直径(地上1.3m)を、輪尺(りんじゃく)を用いて2cm括約で計測した。

Instrument(s): caliper (2 cm unit) / 輪尺(1998年)
Step 5:
Description:

Tree height / 樹高(じゅこう)

In 1998 , height was visually measured with a scale pole (0.1m unit).
(ja) 1998年の調査では目視と測桿(そっかん)ポールを用いて0.1m単位で計測した

Instrument(s): scale pole / 測桿ポール
Step 6:
Description:

Survival / 生枯(せいこ)

Survival or death of the individual was visually measured.
(ja) 測定対象木の生死を確認した。

Step 7:
Description:

Crown width / 樹冠幅(じゅかんはば)

In 1998,Crown width of the targeted tree was measured using a tape measure in four directions of 0 degrees, 90 degrees, 180 degrees, and 270 degrees with respect to the reference direction in the plot.
(ja) 1998年の調査では、測定対象木の樹冠幅を巻尺を用いて、調査地内の基準となる方向に対して0度、90度、180度、270度の4方向について計測した。

Instrument(s): tape measure / 巻尺(1998年)
Step 8:
Description:

Shortage of wood / 欠点(けってん)

Shortage of wood of the targeted trees was measured. Description of wood damage: broken, fallen, fungal-damaged, insect-damaged, frost crack, bent, bifurcated, unavailable (as timber).
(ja) 測定対象木を木材として利用した場合の欠点を記録した。記載内容:折れ、倒れ、菌害木(きんがいぼく)、虫害木(ちゅうがいぼく)、凍裂木(とうれつぼく)、曲がり、二叉(ふたまた)、採材不能(さいざいふのう。木材として使用不可能)。

Step 9:
Description:

Grade of wood quality 1 / 樹形級(じゅけいきゅう)

Grade of tree quality was classified into four categories (after the 'Soviet' classification) for trees in broadleaved forests or in mixed forests. Code indications. 1: overstory tree with good wood quality, 2: understory tree, which is expectable to grow a good overstory tree, 3a: a tree which interrupt a better tree, 3b: a tree with unstraight stem or with a sign of death, decay or weakening.
(ja) 「樹形級」は広葉樹林及び針広混交林に適用し、樹木を以下の4つに区分する(ソビエト式樹形級区分に準拠)。1級:優勢木、2級: 下層木(将来優勢木になる可能性を持つ優良木)、3a:あばれ木(1級・2級の樹木の生長を、直接阻害する樹木)、3b:幹形不良木・傾斜木.

Step 10:
Description:

plannedCutDown / 伐採予定

Trees scheduled to be logged in 1999. Enter 1 for the trees to be logged
(ja) 1999年伐採における伐採予定木。伐採予定木には1を記入。

Data Set Usage Rights

This dataset is provided under a Creative Commons Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0; https://creativecommons.org/licenses/by-nc/4.0/deed.en). Data users should acknowledge as follows in any publications where the dataset contributed to its content: "Data for XXX was provided by Field Science Center for Northern Biosphere, Hokkaido University". Data users will notify the Data Set Contact when any publication based on or derived from the Data Set is distributed.
(ja) データの利用は、クリエーディブ・コモンズの非営利4.0国際に従って提供します (CC BY-NC 4.0; https://creativecommons.org/licenses/by-nc/4.0/deed.ja)。公表にあたっては、データの出典を謝辞等に明記するとともに、成果品および利用報告を提出してください。
Access Control:
Auth System:JaLTER
Order:allowFirst
Allow: [read] public
Metadata download: Ecological Metadata Language (EML) File