Journal of the Faculty of Forestry Istanbul University最新文献

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Allometric equations for estimating standing biomass of Avicennia marina in Bushehr of Iran 估算伊朗布什尔地区Avicennia marina林分生物量的异速生长方程
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.23699
A. Ghasemi, A. Fallah, Shaban Shattaii Joibary
{"title":"Allometric equations for estimating standing biomass of Avicennia marina in Bushehr of Iran","authors":"A. Ghasemi, A. Fallah, Shaban Shattaii Joibary","doi":"10.17099/JFFIU.23699","DOIUrl":"https://doi.org/10.17099/JFFIU.23699","url":null,"abstract":"Allometric equations for estimating standing biomass of Avicennia marina in Bushehr of Iran Abstract: Today, it is important to use of ecological indicators, such as biomass for recognizing the special status of ecosystems, such as mangrove forests and also monitoring and evaluating changes through a specific period. Because using the direct method of evaluating biomass would be destructive, it is common in all similar area to use determine exact Allometric equations by using the statistical relationship between the structural characteristics of trees and their biomass and use these equations to estimate the biomass of trees. The aim of this study is estimate the aboveground biomass of mangroves and determine Allometric models for Nayband area in Bushehr, located in southern Iran. A number of mangrove trees were randomly selected. Collar diameter, crown diameter and tree height of standing trees were measured. After logging and weighing fresh weight, dry weight, trunk and branches were obtained in laboratory and biomass of components was calculated. The relationship between quantities feature of trees and biomass for determination of allometric equation was studied by using linear, power and exponential regression. The equations were compared with each other based on the different modeling parameters. The highest significant correlation was found between crown diameters and dry weight (R > 0.90). The best equations were obtained by means of an exponential and power regression models (R2adj> 0.90). The models were obtained from explained factor, suggests that there might be a relationship between the characteristics of mangrove trees and biomass. Keywords: Biomass, mangrove, modeling, Iran Iran Busehr Eyaletinde Avicennia marina biyokutle tahmini icin allometrik denklemlerin kullanimi Ozet: Gunumuzde; subasar ormanlari gibi ozel yapidaki ekosistemlerin arastirilmasi icin biyokutle gibi bazi ekolojik gostergelerin kullanilmasi onemlidir. Biyokutlenin hesaplanmasinda dogrudan metodlarin kullanilmasi yikici sonuclar doguracagindan, agaclarin yapisal ozellikleri ve biyokutle arasindaki istatistiki iliskiye dayanan  kesin Allometrik denklemleri kullanarak biyokutleyi tahmin etmek yaygin bir sekilde uygulanmaktadir. Bu calismanin amaci, Iran'in guneyinde yer alan Busehr Eyaleti Nayband bolgesi'ndeki subasar ormanlari yerustu biyokutle miktarinin Allometrik yontemlerle belirlenmesidir. Subasar ormanlarinda agaclar rastgele secilmis, bu agaclarin boyu, gogus capi ve tac genislikleri olculmustur. Kesilen agaclarin taze ve kuru agirliklari olculerek govde ve dallari biyokutlelerinin hesaplanmasi icin laboratuvara tasinmistir. Uygun allometrik denklemin belirlenmesi icin agaclarin ozelligi ve biyokutle arasindaki iliski dogrusal, guc ve ustel regresyon kullanilarak incelenmistir. Denklemler farkli modelleme parametrelerine dayanarak birbirleriyle karsilastirilmistir. En yuksek anlamli iliski tac caplari ve kuru agirlik (R> 0.90) arasinda bulunmustur. En iyi ","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"13 1","pages":"691-697"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81561790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Ecophysiological variation of European Hornbeams along the foliation period in semi-rural recreational forest landscape 半乡村游憩林景观中欧洲角梁叶理期生态生理变化
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.94437
M. Öztürk, E. Gökyer, I. Dogan
{"title":"Ecophysiological variation of European Hornbeams along the foliation period in semi-rural recreational forest landscape","authors":"M. Öztürk, E. Gökyer, I. Dogan","doi":"10.17099/JFFIU.94437","DOIUrl":"https://doi.org/10.17099/JFFIU.94437","url":null,"abstract":"Ecophysiological variation of European hornbeams along the foliation period in semi-rural recreational forest landscape Abstract: Determination of the ecophysiological characteristics of deciduous trees in the recreational areas allows construction of planning objectives particularly for the urban forests. Analysis of a multipurpose vegetation parameter; LAI (Leaf Area Index) together with some meteorological variables supplies to an extent the comprehension of those ecophysiological characteristics. Around this scope, the LAI dynamics of Carpinus betulus L. trees in a recreational area were monitored and analyzed along the foliation period of approximately three months. The mean LAI which was only 0.80 during the budburst stage gradually escalated reaching 1.49 after the flushing stage. The increment of the leaves in size and numbers led to the mean LAI achieve its climax with 3.41 in early May. Then, the mean LAI experienced a stable period until the end of May. The change in the mean LAI were subjected to correlation test especially with the air and soil temperatures. The correlations between the mean LAI and, in particular the soil temperature (r≥0.95) and air temperature were high and significant (P<0.01). There were no definite correlation between the mean LAI and mean sunlight duration, air humidity and total precipitation. Impact of air temperature on the LAI of Carpinus betulus L. trees indicates the vulnerability of the recreational area to possible urban heat oriented climate warming. On the other hand, the influence of soil temperature on the mean LAI warns the susceptibility of the recreational area to possible anthropogenic pressure resulting in soil compaction and regeneration difficulties. Consequently, sustainable management of this recreational area necessitates the anticipation and mitigation of these possible destructions. Keywords: Carpinus betulus L., recreational area, canopy architecture, Leaf Area Index (LAI), hemispherical photographs. Yari-kirsal rekreasyonel orman peyzajinda yapraklanma donemi boyunca Avrupa gurgeninin ekofizyolojik degisimi Ozet: Rekreasyon alanlarinda bulunan yaprak doken agaclarinn ekofizyolojik ozelliklerinin tespit edilmesi, bilhassa kent ormanlari icin planlama hedeflerinin tesis edilmesine imkân sunar. Cok amacli bir bitki ortusu gostergesi olan YAI’nin (Yaprak Alan Indisi) bazi meteorolojik degiskenlerle birlikte analiz edilmesi bu ekofizyolojik ozelliklerin bir nebze anlasilmasina yardim eder. Bu cercevede, bir rekreasyon alaninda bulunan Carpinus betulus L. agaclarinin YAI dinamikleri, yaklasik uc ay suren yapraklanma donemi boyunca izlenmis ve analiz edilmistir. Tomurcuklanma doneminde sadece 0.80 olan ortalama YAI, kademeli olarak artarak yaprak verme doneminden sonra 1.49’a ulasmistir. Yapraklarin boyut ve sayilarindaki artis, ortalama YAI’nin 3.41 ile Mayis basinda zirvesine ulasmasina neden olmustur. Daha sonra ortalama YAI, Mayis sonuna kadar sabit bir donem gecirmistir. YAI’deki degisi","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"31 1","pages":"628-635"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89590112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Classification of wood species grown in Turkey according to some physico-mechanic properties 根据一些物理力学性质对土耳其木材种类进行分类
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.93670
N. As, Türker Dündar, Ümit Büyüksarı
{"title":"Classification of wood species grown in Turkey according to some physico-mechanic properties","authors":"N. As, Türker Dündar, Ümit Büyüksarı","doi":"10.17099/JFFIU.93670","DOIUrl":"https://doi.org/10.17099/JFFIU.93670","url":null,"abstract":"Turkiye’de yetisen bazi agac turlerinin sahip olduklari Fiziko-mekanik degerler esas alinarak mevcut ya da olusturulmus bulunan sinif gruplarina dagilimi yapilmistir. Siniflandirmada genelde belirlenmis olan fiziksel ozelliklerden hava kurusu % 12-15 yogunluk, daralma, mekanik ozelliklerden egilme direnci, egilmede elastikiyet modulu, dinamik egilme, basinc, cekme, yarilma, makaslama direncleri ve sertlik degerleri dikkate alinmistir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"60 1","pages":"727-735"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91252595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Integration of remotely sensed spatial and spectral information for change detection using FAHP 基于FAHP的遥感空间与光谱信息集成变化检测
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.90466
V. Eisavi, Saeid Homayouni, J. Karami
{"title":"Integration of remotely sensed spatial and spectral information for change detection using FAHP","authors":"V. Eisavi, Saeid Homayouni, J. Karami","doi":"10.17099/JFFIU.90466","DOIUrl":"https://doi.org/10.17099/JFFIU.90466","url":null,"abstract":"Arazi kullanim degisim haritalamasi, cevrenin etkin izlenmesi ve yonetiminde temel gereksinimlerden biridir. Cesitli degisim tespit yaklasimlari onerilip kullanilmasina ragmen, eski deneyimler her bir metodun kendine ait bir avantaji oldugunu gosteriyor. En iyi yaklasimi secmek onemli ve zorlu bir istir. Spektral/konumsal kriterlerin entegrasyonu iyi sonuclar vermektedir. Bu calismada, degisim tespiti analizi icin, Zanjan sehrinin 1985 ve 2010 yillarinda alinan Landsat Thematic Mapper (TM®) tasviri kullanilmistir. Degisimleri haritalamak icin, spektral/konumsal kriterler Fuzzy Analytical Hierarchy Process (FAHP) kullanilarak farkli agirliklarla entegre edilmistir. Sonuclar, FAHP metodlarinin genellikle spektral/konumsal kriterlere gore daha yuksek dogrulukla sonuclandigini gostermistir. Onerilen semivariogram ozellikleri daha iyi, erken ve otomatik degisim tespiti performansina sahiptir. Konumsal bilgi kullanilirken hem eksiklik hem de komisyon hatalari onemli olcude azalmistir. Ayrica tek bir ayri metodun secilmesinden kaynaklanan belirsizlik FAHP metodu kulanildiginda azalmaktadir. Bu metodun, bir yandan ayni konumsal karakteristiklerine ve diger yandan farkli doku karakteristiklerine sahip olan iki tasvirin de degisim tespiti icin yaygin bicimde kullanilmasi muhtemel gorunmektedir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"67 1","pages":"524-538"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80014007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Analysis of changes in stream water chemistry following forest management practices in Darabkola forest 达拉科拉森林管理措施后溪流化学变化分析
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.52768
M. Akbarimehr, S. A. Hosseini, S. M. Hodjati, F. Shariati
{"title":"Analysis of changes in stream water chemistry following forest management practices in Darabkola forest","authors":"M. Akbarimehr, S. A. Hosseini, S. M. Hodjati, F. Shariati","doi":"10.17099/JFFIU.52768","DOIUrl":"https://doi.org/10.17099/JFFIU.52768","url":null,"abstract":"Yol yapimi ve surutme gibi orman yonetimi uygulamalari buyuk olcude suyun kalitesini degistirebilir. Bu arastirmanin ana bakis acisi, surutme faaliyetleriyle gecirilen zamanin akarsu su kalite parametreleri uzerine etkisidir. Alti adet menfez, bu calisma icin kalici mesafeli yollarda uc tekrarlamali olarak uygulanmistir. Su ornekleri siselenerek toplanmistir. Butun ornekler soguk muhafaza edilerek; toplam askida kati madde (AKM), NO3 - ve PO4 -3 icin analiz edilmistir. T-testi sonuclari NO3 - ve PO4 -3 konsantrasyonlarinin anlamli derecede yuksek degerlerde (p","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"12 1","pages":"539-547"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77957041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Egg laying patterns and structure of egg-batches of pine processionary moth Thaumetopoea wilkinsoni in Isparta pine forests 依斯帕塔松林松林行军蛾产蛋模式及卵批结构
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.91821
M. Avcı, Sefa Gizem Ölmez
{"title":"Egg laying patterns and structure of egg-batches of pine processionary moth Thaumetopoea wilkinsoni in Isparta pine forests","authors":"M. Avcı, Sefa Gizem Ölmez","doi":"10.17099/JFFIU.91821","DOIUrl":"https://doi.org/10.17099/JFFIU.91821","url":null,"abstract":"Bu calismada, Thaumetopoea wilkinsoni Tams (Lepidoptera: Notodontidae)’nin yumurta paketlerinin yapisi, tirtil cikisi, parazitlenme oranlari ile yumurta parazitoidleri ve bocegin bazi yumurta birakma davranislari arastirilmistir. Isparta’da 16 cam ormanindan bu bocegin 654 adet yumurta kocani toplanmistir. Kocan basina ortalama yumurta sayisi 221.2, tirtil cikis orani % 80.0 ve parazitlenme orani % 13.8 olmustur. Alt, orta ve ust yukselti basamaklarinda ortalama yumurta sayisi sirasiyla 208.1, 223.3 ve 226.7, tirtil cikis orani % 73.3, % 82.6, % 85.3 ve parazitlenme orani da %","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"275 1","pages":"613-627"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80017685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The seasonal variation of arthropods living on forest soil at different altitudes in fir (Abies nordmanniana subsp. bornmulleriana) ecosystem in Bolu-Aladağ 不同海拔北曼冷杉亚种森林土壤节肢动物的季节变化。bolu - aladaku的bornmulleriana)生态系统
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.06075
A. Duyar, E. Makineci
{"title":"The seasonal variation of arthropods living on forest soil at different altitudes in fir (Abies nordmanniana subsp. bornmulleriana) ecosystem in Bolu-Aladağ","authors":"A. Duyar, E. Makineci","doi":"10.17099/JFFIU.06075","DOIUrl":"https://doi.org/10.17099/JFFIU.06075","url":null,"abstract":"Orman ekosistemlerindeki toprak eklembacaklilari (Arthropoda), olu ortunun parcalanmasi ve ayrismasi surecinde, birincil ve ikincil tuketiciler olarak onemli rol almaktadir. Toprak ekosistemindeki eklembacaklilarin miktari, cesitliligi ve toplum yapisi; yetisme ortami ozelliklerinin degisimine cok hizli tepki vermektedir. Bu calismada, ulkemizin onemli orman agac turlerinden olan, Uludag Goknari (Abies nordmanniana subsp. bornmulleriana Mattf.) ekosistemindeki, orman zemininde yasayan toprak eklembacaklilarinin farkli yukseltilerde mevsimsel degisiminin ortaya konmasi amaclanmistir. Calisma, Bolu Aladag ormanlarinda, 1200-1600 metre yukseltiler arasindaki (4 yukselti basamagi halinde) saf goknar mescerelerinde yurutulmustur. Olu ortuden cukur tuzaklar kullanilarak yapilan ornekleme kis, bahar, yaz ve guz mevsimlerinde birer kez yapilmistir. Eklembacaklilarin miktar ve cesitliliginin; mevsim ve yukseltiye bagli degisimleri degerlendirilerek, beslenme tiplerine dagilimlari ve biyolojik cesitlilikleri de saptanmistir. Calisma sonucunda, eklembacaklilarin mevsimlere gore dagiliminda en fazla birey yaz mevsiminde (7576 birey/m²), yukseltiye bagli dagiliminda ise en fazla birey 1200 m yukseltide (7854 birey/m²) bulunmustur. Ortalama ShannonWiener Indeksi (H′)=2,22 ve Taksonomik Zenginlik (S′)=22 olarak belirlenmistir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"95 1","pages":"572-586"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86982243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Forest stand delineation using Ikonos image and object based image analysis 基于Ikonos图像和基于目标的图像分析的林分圈定
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.95674
U. Y. Ozkan, A. Yeşil
{"title":"Forest stand delineation using Ikonos image and object based image analysis","authors":"U. Y. Ozkan, A. Yeşil","doi":"10.17099/JFFIU.95674","DOIUrl":"https://doi.org/10.17099/JFFIU.95674","url":null,"abstract":"Forest stand delineation using Ikonos image and object based image analysis Abstract: Together with the developments in satellite technology, it is considered that high resolution satellite data may be used as an alternative source of information to aerial photos in delineation of stand types. The study aims to reveal how detailed one could work to generate the map of stand types which form the basis of forest management plans using IKONOS satellite data. For this purpose, object based classification was applied to satellite image. Firstly, image segments which represent target objects were generated applying image segmentation algorithm to the satellite image. The image segments generated at three different levels according to different scale parameters and homogeneity criteria were classified according to standard nearest-neighbor approach. Classification accuracy was determined using both the stand maps of study area and ground control points. Overall accuracy was calculated as 58% (Kappa=0.54). Accordingly, it was understood that it was not possible to generate a stand map with sufficient accuracy from the IKONOS satellite image using automatic classification. Keywords: Ikonos, forest inventory, image segmentation, object based classification, stand map Ikonos goruntusu ve obje bazli goruntu analizi kullanilarak mescere tiplerinin ayrilmasi Ozet: Uydu teknolojisindeki gelismelerle birlikte yuksek cozunurluklu uydu verilerinin, mescere tipleri ayriminda hava fotograflarinin yerine alternatif bir bilgi kaynagi olarak kullanilabilecegi dusunulmektedir. Calismada, IKONOS uydu verisinden amenajman planlarinin temelini olusturan mescere tipleri haritasini duzenlemek icin ne kadar ayrintiya gidilebileceginin ortaya konulmasi amaclanmistir. Bunun icin uydu goruntusune obje bazli siniflandirma islemi uygulanmistir. Uydu goruntusune oncelikle goruntu dilimleme islmei uygulanarak, hedef objeleri temsil edecek goruntu dilimleri olusturulmustur. Farkli olcek parametreleri ve homojenlik kriterlerine gore uc farkli seviyede olusturulan goruntu dilimleri, standart en yakin komsu yaklasimina gore siniflandirilmistir. Siniflandirma sonuclarinin dogruluk degerlendirmesi calisma alanina ait mescere tipleri haritasindan ve arazi calismalari sirasinda alinan denetim noktalarindan faydalanilarak yapilmistir. Mescere tipleri duzeyinde yapilan siniflandirma sonuclarinin toplam dogruluk degeri %55 (Kappa=0.52) olarak hesaplanmistir. Buna gore, IKONOS uydu goruntusunden otomatik siniflandirma ile yeterli dogrulukta mescere tipleri haritasinin uretilmesinin mumkun olmadigi anlasilmistir. Anahtar Kelimeler: Ikonos, orman envanteri, goruntu dilimleme, obje bazli siniflandirma, mescere haritasi Received (Gelis):  11.01.2016 - Revised (Duzeltme):  18.01.2016 - Accepted (Kabul):  22.01.2016 Cite (Atif):  Ozkan, U.Y., Yesil, A., 2016. Forest stand delineation using Ikonos image and object based image analysis. Journal of the Faculty of Forestry Istanbul University 66(2): xxx-","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"22 1","pages":"600-612"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83270620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Utilization of rorippa stalks (Rorippa austriaca) in the production of medium density fiberboard 竹材秸秆在中密度纤维板生产中的应用
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.67615
A. Tozluoğlu
{"title":"Utilization of rorippa stalks (Rorippa austriaca) in the production of medium density fiberboard","authors":"A. Tozluoğlu","doi":"10.17099/JFFIU.67615","DOIUrl":"https://doi.org/10.17099/JFFIU.67615","url":null,"abstract":"Bu calismada rorippa saplari (Rorippa austriaca) odun lifleriyle farkli oranlarda karistirilarak orta yogunluklu lif levha uretiminde degerlendirilme olanaklari arastirilmistir. Calisma kapsaminda ayrica rorippa saplarinin holoseluloz, α-seluloz, lignin ve kul icerikleri ile alkol-benzen, % 1 NaOH ve sicak-soguk su cozunurlukleri de tespit edilmistir. Bu calismada uretilen tum levhalar egilme dayanimi ve egilmede elastikiyet modulu bakimindan TS 64-5 EN 622 (1999) standartlarina gore incelendiginde yalnizca % 50 oranindaki sap ilavesinin bu standartlari karsilamadigi diger oranlardaki sap ilavesinin ise bu standartlar icerisinde kaldigi gozlemlenmistir. Uretilen tum levhalar levha yuzeyine dik cekme dayanimi bakimindan TS 64-5 EN 622 (1999) standartlarina gore incelendiginde ise yalnizca %5 oranindaki sap ilavesinin bu standartlari karsiladigi tespit edilmistir.","PeriodicalId":17682,"journal":{"name":"Journal of the Faculty of Forestry Istanbul University","volume":"48 1","pages":"649-658"},"PeriodicalIF":0.0,"publicationDate":"2016-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86556518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of forest management plans in conjunction with the cadastral information: The case of Agva and Beykoz, Istanbul 结合地籍资料评价森林管理计划:伊斯坦布尔Agva和Beykoz的案例
Journal of the Faculty of Forestry Istanbul University Pub Date : 2016-07-01 DOI: 10.17099/JFFIU.77941
G. Çakır, A. Güler, H. Zengin, Ahmet Salih Değermenci
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