Ayrışma Sürecinde Orman Karıncalarının (Formica rufa grup) Rolü: İlk Yıl Sonuçları

Yıl 2019, Cilt: 21 Sayı: 2, 477 - 485, 15.08.2019

Meriç Çakır Tuğba Tunç

Öz

Orman
karıncaları (Formica rufa grup)
ılıman kuşaktaki ibreli ormanlarda baskın olarak bulunan karınca grubudur.
Toprak üstündeki büyük yuvalarını orman tabanından topladıkları organik
materyal ve reçine ile inşa ederler. Bu yuvalar yüksek sıcaklık ve düşük nem
içeriği bakımından çevrelerinden farklılık gösterirler.  Bu çalışmada bu özel çevresel şartların,
ölüörtünün kütle kaybı ile karbon (C), azot (N), potasyum
(K), fosfor (P), mangan (Mn), demir (Fe) ve alüminyum (Al)’u
ayrışma sürecinde nasıl etkilediğine bakılmıştır. Çalışma Çankırı Karatekin
Üniversitesi Orman Fakültesi Araştırma ve Uygulama Ormanında saf karaçam (Pinus nigra Arnold.) ormanında, ölüörtü kese yöntemi kullanılarak
yürütülmüştür. Karaçam ibreleri karınca yuvalarının hemen kenarına ve yuvadan
10 m uzağa konulmuştur.

Karıncaların
etkisi ve kurak yuva şartları nedeni ile ayrışmanın yavaş olmasını beklerken,
karınca yuvalarının, karaçam
ibrelerinin ayrışma sürecinde, kütle kaybı, karbon, azot, potasyum ve fosfor’un
zamansal değişimi üzerinde istatistiksel olarak fark yaratacak etkiye sahip
olmadığı belirlenmiştir. Fakat mangan, alüminyum ve demir gibi elementlerin
zamansal değişiminde karınca yuvalarının, orman toprağına kıyasla bu
elementlerin toprağa girişinde yavaşlatıcı etkiye sahip oldukları
bulunmuştur.

Anahtar Kelimeler

ölü örtü, bitki besin maddeleri, Karbon, azot, karaçam, ayrışma, bitki besin maddeleri

Destekleyen Kurum

TÜBİTAK

Proje Numarası

1919B011402186

Teşekkür

Bu çalışma, TÜBİTAK 2209 Üniversite Öğrencileri Yurt İçi Araştırma Projeleri Destekleme Programı’nın 1919B011402186 nolu projesi tarafından desteklenmiştir.

The role of wood ants (Formica rufa group) on decomposition process: preliminary result

Öz

Wood ants (Formica rufa group)
are dominating ecosystem elements in coniferous forests of the temperate
region. They build the large nests on aboveground with organic material and
resin collected from the forest floor. These mounds have higher temperature and
lower water content than the surrounding forest floor. We studied how these
peculiar environmental conditions affected litter mass loss and carbon (C),
nitrogen (N), potassium (K), phosphor (P), manganese (Mn), iron (Fe) and
aluminium (Al) mineralisation of organic matter. The study conducted in
temperate Black pine (Pinus nigra
Arnold.) forest stands in Çankırı Karatekin University Faculty of Forestry
Research Forest using the litterbag technique. Black pine needle litter was
incubated in adjacent the wood ant nest and 10 m away from the nest edge.

While we expected decomposition to be slow due to the dryness of the
mounds and effect of wood ants, the ant nests were not found to have a
significant effect on the temporal variation of mass loss, carbon, nitrogen,
potassium and phosphorus in the process of litter decomposition. However, the
release of manganese, aluminium and iron is slower in ant nests compared to
forest soil.

Anahtar Kelimeler

black pine, plant nutrition, Carbon, nitrogen, litter, decomposition, plant nutrition

Proje Numarası

1919B011402186

Kaynakça

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