本研究之目的在於：(1)調查新竹市家燕築的分布位置，根據位置資料呈現新竹市全區家燕築巢分布現況；(2)家燕築巢方位之分析；(3)以燕巢分布位置為基準，分析其方圓1公里之棲地因子，探討其與築巢數量之相關。
研究結果發現新竹市境內共發現3303個家燕巢，築巢分布呈現密集型(Aggregate Pattern)，築巢點正好延著新竹市建築區域分布，築巢密集的地區發生在東區的關東橋、學府路、食品路；北區的成功路和東大路四段；香山區的華江街、大庄路和元培街等地。家燕築巢點的選擇有選擇特定道路走向及建築物座向的趨勢，其中以道路走向東南-西北：112.5∘-135∘；315.1˚-337.5˚及房屋座向東北：22.6˚-45˚；座向西南：202.6˚-225˚為最多。另外，分析家燕在建築物上的築巢點，靠近馬路的巢較多，其中以靠近馬路的橫樑內側(第2區:13.93%)及外側(第12區:24.04%)和屋簷(第14區:16.77%)區域巢數最多，愈往建築物內部築巢數量愈少。
將取樣的棲地面積擴大至家燕可能離巢覓食的範圍時(1250m×1250m)，家燕築巢數量與水利面積(r=0.237**)、軍事用地面積(r=0.195**)及農田面積大小(r=0.151*)呈現正相關，與道路面積(r=-0.222**)、建築物面積(r=-0.189**)呈現負相關，進行因素分析轉軸後的得到兩個因素：因素(一)可稱為「人工化」因素，「建築」(-0.937)、「道路」(-0.899)、「農田」(0.975)都有高的承擔量，反映了人工化的程度。因素(二)可稱為「覓食地」因素，「軍事用地」(0.904)、「水利」(0.807)都有高的承擔量，反映了對食物來源的影響程度。分析兩因素的相互影響關係(圖十二)，由其關係曲線分析，人工化愈少，覓食地相對增加，其關係曲線呈現趨進於水平，顯示兩因素相互關係不顯著。

There are three purposes for this study: 1) I want to investigate how the Barn Swallow distribute in Hsin-chu city; 2). Try to analyze the nest site characters; 3) Try to understand the habitat types and each type area around
the nest with 1 square kilometer range.
There are 3303 nests in Hsinchu city under my total survey, the nest spread by aggregate pattern in those area: 1).Guandong Bridge、Syuefu Road、Shihpin Road in East District; 2). Chenggong Road and Dongda Road , Section 4 of North District; 3) Huajiang Street、Dajhuang Road and Yuanpei Street in the Siangshan District.　Most of those nest in this in Hsin-chu city are locate in those street direction of south-east and north-west (112.5∘-135∘
and 315∘-337.5∘), and those house direction of north-east and south-west(22.6∘-45∘ and 202.6∘-225∘).　The nests located in different part on corridor roof of street building, more nests are found near to the road side and the inner the building the fewer nests.　There are 13.93% on the beams’ inner side (code position 2), 24.04% on the outer parts (code position 12), 16.77% on eaves (code position 14).
To extend the habitat type sampling to the zone of swallow feeding range(1250m×1250m), the nest density is positive correlate to the area for water conservancy (r=0.237**), military use area (r=0.195**) and farm land (r=0.151*)
， and is negative correlate to street coverage (r=-0.222**), building coverage (r=-0.189**).　Two factors come out after factor analysis. The first factor can be explained as “artificial factor” composed by buildings (-0.937), road (-0.899) and farmlands (0.975), which all possess high factor loading. The second factor can be explained as “feeding area” factor composed by military bases (0.904), irrigation areas (0.807), which both possess high factor loading and respond for the food resources.　The correlation of two factors is insignificant; each one is almost independent on each other. Both factors represent that the less the man made area around neat, the more food resource

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