Abstract
Quercus suber L. is a species confined to the centre and western Mediterranean basin. On the island of Sardinia its distribution is limited mainly by soils. Apart from its economic significance to local communities, cork oak habitats are recognised as having both cultural and biodiversity value at a European level. Although traditionally associated with human activities these habitats are today under increasing threat. Among the problems that affect cork oak habitats on the island are soil erosion and loss of organic matter due to ploughing and seeding for pasture. Stock numbers have increased while grazing cattle have been replaced by sheep and are proven to be particularly damaging especially to cork oak regeneration. Although the species is a passive pyrophyte, frequent fires render the trees susceptible to fungal and defoliator attacks and destroy the understory leading to soil degradation and erosion. This paper provides a review of these threats and explores their link to the changes resulting from abandonment of traditional farming methods and different management systems used in
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Claims 5
Claim · model-written summary
Frequent fires make cork oak trees susceptible to fungal and defoliator attacks.
- Taxon
- Quercus suber
Quercus subere0 - Treatment
- frequent firese1
- Outcome
- susceptible to fungal and defoliator attackse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Quercus suber L. is a species confined to the centre and western Mediterranean basin”
e1“frequent fires render the trees susceptible to fungal and defoliator attacks and destroy the understory leading to soil degradation and erosion”
Claim · model-written summary
Frequent fires destroy the understory and lead to soil degradation and erosion in cork oak habitats.
- Taxon
- Quercus suberQuercus subere0
- Treatment
- frequent firese1
- Outcome
- soil degradation and erosione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Quercus suber L. is a species confined to the centre and western Mediterranean basin”
e1“frequent fires render the trees susceptible to fungal and defoliator attacks and destroy the understory leading to soil degradation and erosion”
Claim · model-written summary
Grazing by sheep, which replaced cattle, is particularly damaging to cork oak regeneration.
- Taxon
- Quercus suberQuercus subere0
- Treatment
- sheepe1
- Outcome
- cork oak regeneratione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Quercus suber L. is a species confined to the centre and western Mediterranean basin”
e1“grazing cattle have been replaced by sheep and are proven to be particularly damaging especially to cork oak regeneration”
Claim · model-written summary
Stock numbers in cork oak habitats have increased.
- Taxon
- Quercus suberQuercus subere0
- Outcome
- Stock numberse1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Quercus suber L. is a species confined to the centre and western Mediterranean basin”
e1“Stock numbers have increased”
Claim · model-written summary
Ploughing and seeding for pasture cause soil erosion and loss of organic matter in cork oak habitats.
- Taxon
- Quercus suberQuercus subere0
- Treatment
- ploughing and seeding for pasturee1
- Outcome
- soil erosion and loss of organic mattere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Quercus suber L. is a species confined to the centre and western Mediterranean basin”
e1“soil erosion and loss of organic matter due to ploughing and seeding for pasture”