Doğal ve plantasyon ormanların toprak biyolojik kalite indeksinin mikroeklembacaklılar ile belirlenmesi

Year 2019, Volume: 5 Issue: 1, 38 - 45, 07.08.2019

Meriç Çakır

Abstract

Toprak kalitesi, su ve hava kalitesi ile birlikte çevre
kalitesinin üç bileşeninden biridir. Toprak kalite göstergeleri fiziksel,
kimyasal ve biyolojik toprak kalite parametreleri olarak ayrılmaktadır. Biyolojik
toprak kalite parametresi olarak toprak canlıları, antropojenik bozulmalara
verdikleri hızlı tepkilerden dolayı önemli bir ölçüt olarak belirlenmiştir. Toprak
biyolojik kalitesinin belirlenmesinde son yıllarda tasarlanan ve geliştirilen
indekslerden biri QBS-ar dır. QBS-ar indeksi, mikroeklembacaklıların toprak
ekosistemine adaptasyonlarını gösteren morfolojik karakterlerin varlığına
odaklanır ve tür düzeyinde karmaşık taksonomik tanımlama gerektirmez.

 

Yedi farklı ağaç türü (Abies
cilicica Carr., A. nordmanniana
ssp. bornmülleriana Mattf.
ve A. nordmanniana ssp. nordmanniana
Mattf., Pinus sylvestris, Pinus nigra Arnold  ve Quercus petraea L. ve
Fagus orientalis L.) altından
belirlenen QBS-ar değerleri arasında hem zamana göre hem de ağaç türlerine göre
istatistiksel fark bulunmuştur. En düşük QBS-ar değeri Abies
cilicica (66)’da en yüksek değer
ise Pinus sylvestris (91) de bulunmuştur. Sonuç olarak QBS-ar, farklı ağaç türleri altında farklı
toprak biyolojik kalitesi olduğunu göstermiştir.

Keywords

Mesofauna, QBS-ar, toprak kalitesi, göknar, çam, kayın, meşe

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