Southeast Forestlands, LLC

🌲🌳 What Is Basal Area — And Why Wildlife-Minded Landowners Should Care 🦌🦃🐦

Basal area (BA) measures how much tree trunk surface area exists at 4.5 ft height across one acre. In simple terms: BA shows how “packed” an acre is with trees — and how much sunlight reaches the ground. ☀️

Two stands can have the same BA with different tree sizes:
🌲 100 trees × 13.5” DBH = ~100 BA
🌲 200 trees × 9.6” DBH = ~100 BA

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🌞 Why BA Matters for Wildlife
Sunlight drives native understory — the groceries deer, turkey, and quail rely on.
✔ Lower BA → More sunlight → More forage + cover
Wildlife targets:
🦌 < 90 BA | 🦃 < 70 BA | 🐦 < 50 BA

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🌿 Habitat Types by BA (SE Guidelines)
🌲 Forest: 80+ BA
🌲 Woodland: 50–80 BA
🌾 Savanna: 25–50 BA
🌱 Grassland: <25 BA

More light = more growth:
🌑 Closed Forest: 50–100 lbs/acre/year
🌤 Woodland: 4–10× more
☀️ Savanna/Grassland: 8–20× more

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🌲 Pine Thinning Age
Most planted pines hit thinning age at 13–18 years, often 120–200 BA.
Timber-focused: 70–80 BA
Wildlife-focused: 50–60 BA (still profitable)

🎯 For top habitat: mix 25 BA savannas, 50 BA woodlands, and patch cuts.

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🔥 Follow-Up Management
🔥 Uplands: prescribed fire + midstory control
🌳💧 Bottomlands: cut ~20% every 5–7 yrs for rolling sunlight

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📌 Understand BA → Better thinning → Better habitat + better hunting.
#SoutheastForestlands #TheTimberlandMan #WildlifeHabitat #TimberManagement #Forestr