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Back台海與南海的地緣連動:戰略現實與限制
台海與南海的地緣連動:戰略現實與限制
Politics
自由时报54 minutes agoPolitics4 min readChinaView translation

台海與南海的地緣連動:戰略現實與限制

分析台海與南海在軍事、經濟與戰略上的相互影響及其局限性

Quick Look

本文探討台海與南海的地緣戰略連動,指出兩者雖在軍事與經濟上高度相關,但並非衝突自動連鎖。作者強調台灣應與日菲建立監偵與備援協調,並釐清危機門檻,以實現有效的區域嚇阻。

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Why It Matters

台灣位於東海、南海與菲律賓海的接合部,其戰略地位對中國海空軍進出西太平洋至關重要。美菲《加強防務合作協議》與《台灣關係法》等框架構成了當前的區域安全架構。

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美聯社最近引述羅伊研究所東南亞計畫主任馬斯頓指出,台海與南海「密切相關」;北京若封鎖或武力奪取台灣,衝擊可能迅速外溢南海。這項判斷抓住地緣現實,卻須補上一道限制:兩片海高度相連,不代表任何一處衝突都會自動引爆另一處。更精確的說法是:同一戰區,不同引信。

台灣位於東海、南海與菲律賓海的接合部,南側巴士及呂宋海峽,是中國海空軍進出西太平洋的重要通道。北京已有海南潛艦基地及南沙人工島,因此控制台灣不是投射軍力的起點。真正改變在於,北京可能取得面向深水太平洋的港口、機場與感測位置,減少島鏈中央節點的牽制,增加美日菲反潛、預警與增援的難度。

同理,美國若宣告不協防,不會讓解放軍潛艦一夜增加,卻會改變區域對美國信用的估價。菲律賓、日本及東南亞國家可能加速軍備,或反向對北京避險。這是信用外溢,而非火力魔法。

基地網絡已把兩片海接在一起。美菲《加強防務合作協議》的九處地點中,北呂宋三處面向台灣,巴拉巴克島面向南海;二○二六年「肩並肩」演習也同時朝兩個方向演練。然而法律引信各自獨立:《台灣關係法》沒有自動出兵條款;美菲共同防禦條約雖涵蓋南海遭武裝攻擊的菲國部隊與公務船,回應仍須依憲政程序。作戰融合不能被誤讀為必然參戰。

經濟連鎖更直接。戰略暨國際研究中心估計,二○二四年台灣海峽與馬六甲海峽各有逾二.四兆美元貨物通過,均約占全球海運貿易兩成一;兩者有重疊貨流,不能相加為損失。台灣又掌握全球九成以上先進製程晶片產能。榮鼎集團估計,封鎖可能使逾二兆美元經濟活動面臨中斷;這是曝險額,不是必然損失。先發生的往往是戰爭險上升、船舶改道與融資收縮。

美國介入不只是「保台」,也為避免第一島鏈被單一強權主導,維持盟邦、供應鏈與航行秩序。但利益清楚不等於資源無限;華府近期將西太平洋航艦調往中東,顯示各戰區仍爭奪同一批艦機。

台灣不能把南海視為遠方,也不能把同盟當作自動保單。當務之急是與日本、菲律賓建立海域監偵、反潛預警、撤僑、港口及海纜修復協調,並準備能源、航運與戰爭險備援;同時釐清危機門檻,避免灰色摩擦誤升級為全面衝突。台海若失守,後果不會停在台灣海岸;但地理連動也不等於戰爭宿命。真正的嚇阻,是讓兩片海彼此支援,而不讓一處危機拖著整條島鏈走向失控。

Open Questions

  • 美日菲在危機時的具體協調機制為何?
  • 全球供應鏈對台海封鎖的短期應對能力如何?

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This article was originally published by 自由时报.

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