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Search Symbol (Half-width) Description of Search Symbols
Space "AND" indicates the intertwining of key terms used in a search
Double Quotation Marks ("") ( " " ) Double quotation marks indicate the beginning and end of a phrase, and the search will only include terms that appear in the same order of those within the quotations. Example: "image process" : " image process "
? Indicates a variable letter. Entering two ? will indicate two variable letters, and so on. Example: "Appl?", search results will yield apple, apply… e , appl y … ( (often used to English word searches) )
* Indicates an unlimited number of variable letters to follow, from 1~n. Example: Enter "appl*", search results will yield apple, apples, apply, applied, application…(often used in English word searches) e , appl es , appl y , appl ied , appl ication … ( (often used to English word searches) )

Boolean logic combinations of key words is a skill used to expand or refine search parameters.
(1) AND (1) AND: Refines search parameters
(2) OR (2) OR: Expands search parameters (3) NOT: Excludes irrelevant parameters


DOI stands for Digital Object Identifier ( D igital O bject I dentifier ) ,
and is the unique identifier for objects on the internet. It can be used to create persistent link and to cite articles.

Using DOI as a persistent link

To create a persistent link, add「」 「 」 before a DOI.
For instance, if the DOI of an article is 10.5297/ser.1201.002 , you can link persistently to the article by entering the following link in your browser: 10.5297/ser.1201.002
The DOI link will always direct you to the most updated article page no matter how the publisher changes the document's position, avoiding errors when engaging in important research.

Cite a document with DOI

When citing references, you should also cite the DOI if the article has one. If your citation guideline does not include DOIs, you may cite the DOI link.

DOIs allow accurate citations, improve academic contents connections, and allow users to gain better experience across different platforms. Currently, there are more than 70 million DOIs registered for academic contents. If you want to understand more about DOI, please visit airiti DOI ) 。

Abstract 〈TOP〉
    Reference ( 74 ) 〈TOP〉
    1. 台灣經濟研究院(2009)台灣自來水公司水價合理化及對經濟影響之研究。台灣經濟研究院研究分析報告。
    2. 吳俊賢、陳溢宏、鄭美如、黃正良、李國忠(2004)森林涵養水源貨幣價值之研究。台灣林業科學,19(3):187-97。
    3. 吳俊賢(2010)綠色造林對水源涵養之效益評估。林業研究專訊,第17期,第六卷,第56-59頁。
    4. 陳相如(2005)都市林特徵價格之研究—以台南市東區為例。國立成功大學碩士論文。
    5. 謝豪榮、谷雲強(1986)森林涵養水資源效能之評估。中華水土保持報,17(2):84-96。
    Times Cited (3) 〈TOP〉
    1. 鄭郁蒨(2016)。瑠公圳(台大段)生態系統服務之經濟價值分析。臺灣大學環境工程學研究所學位論文。2016。1-154。 
    2. 林政勳(2015)。台灣中部地區天然闊葉林生態服務價值之評估。臺灣大學森林環境暨資源學研究所學位論文。2015。1-72。 
    3. 李彥麟(2015)。誰為環境發聲?環境財損害賠償的模式選擇。臺灣大學法律學研究所學位論文。2015。1-168。 
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