PARAMETRİK VE HİYERARŞİK MODELSEL YAKLAŞIMLA SAMSUN İLİ ARAZİLERİNİN TARIMSAL ARAZİ UYGUNLUK SINIFLARIN BELİRLENMESİ
作者： İNCİ DEMİRAĞ TURAN , ORHAN DENGİZ
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摘要: Arazi kalite indeksi agro-ekosistemlerinin degerlendirilmesinde onemli bir aractir. Bu calismanin amaci, parametrik (AKIg) ve hiyerarsik (AKIa) yaklasimli iki farkli arazi indeks modeli kullanilarak Samsun iline ait arazilerin tarimsal amacli uygunluk siniflamasinin belirlenmesi haritalanmasidir. 9579 km 2 alana sahip olan ilinden 995 adet yuzey toprak orneklemesi yapilmistir. ozelliklerinden derinlik egim, fizikokimyasal ise bunye, pH, EC, kirec, verimlilik fosfor, potasyum azot olmak uzere toplam 9 faktor ile veri seti (TVS) olusturulmustur. Minimum setin (MVS) olusturulmasinda temel bilesenler analizi uygulanmistir. TVS’ne gore AKIa AKIg modellerine dagilim haritalarinin Kriging’in basit ussel Gaussian modelleri kullanilmistir. Her modele calisma alaninin yaklasik %15’i islemeli tarima kalitesi bakimindan hicbir zaman uygun degilken, % 30’u cok oldugu belirlenmistir. MVS’ne dogal kuresel kullanilmistir. Buna gore, icin alanin %29,5’si iken, yaklasimi 22.1’i sinif olarak Ayrica, TVS lineer korelasyon kappa istatistik analizleri karsilastirildiginda TVS-AKIa modelinin en yuksek degere
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