Arc Lake

Ecosystem Overview

The Arc Lake ecosystem supports 11 documented wildlife species across 11 taxonomic genera. Located in Kenai Peninsula, Alaska, this area provides critical habitat with diverse natural communities. The location hosts 3 frequently observed species and 2 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Kenai Peninsula nearby has 89% more documented species, Arc Lake offers unique wildlife observation opportunities. This location ranks #5 for species diversity among 43 Kenai Peninsula County natural areas, placing it in the 88th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 43 locations

Species Distribution

Very Common3 species

Common3 species

Occasional3 species

Rare2 species

Regional Context

Regional Ranking

#5 of 43 locations

88th percentile for diversity

vs. Kenai Peninsula

-89% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 11 total documented species.

Pungitius pungitius

ten-spined stickleback, nine-spined stickleback

Very Common3 obs.

Gasterosteus aculeatus

three-spined stickleback

Very Common2 obs.

Menyanthes trifoliata

Buck-Bean

Very Common2 obs.

Lithobates sylvaticus

Wood Frog

Very Common1 obs.

Alces alces

Eich

Very Common1 obs.

Haliaeetus leucocephalus

Bald Eagle

Common1 obs.

Gavia immer

great northern loon

Common1 obs.

No image

Schistocephalus solidus

Common1 obs.

Andromeda polifolia

bog-rosemary

Common1 obs.

Nuphar polysepala

Rocky Mountain pond-lily

Common1 obs.

Turdus migratorius

American Robin

Common1 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Arc Lake. Perfect for outdoor adventures, education, and nature exploration.

$6.99

Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Arc Lake. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-48%

vs. Regional Average

Compared to 8 nearby locations in Kenai Peninsula County, Alaska

Nearby Natural Areas

Kenai Peninsula

Importance: 0.39

100 species

-89% vs. current

Tern Lake

Importance: 0.35

18 species

-39% vs. current

Elephant Lake

Importance: 0.35

13 species

-15% vs. current

Stormy Lake

Importance: 0.35

11 species

0% vs. current

Rock Lake

Importance: 0.35

9 species

+22% vs. current

Headquarters Lake

Importance: 0.35

7 species

+57% vs. current

Upper Omer Lake

Importance: 0.35

5 species

+120% vs. current

Watson Lake

Importance: 0.35

5 species

+120% vs. current

About This Comparison

These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Kenai Peninsula County.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Regional Comparison

Regional Ranking

Species Count

-48%

vs. Regional Average

Compared to 8 nearby locations in Kenai Peninsula County, Alaska

Nearby Natural Areas

Kenai Peninsula

Importance: 0.39

100 species

-89% vs. current

Tern Lake

Importance: 0.35

18 species

-39% vs. current

Elephant Lake

Importance: 0.35

13 species

-15% vs. current

Stormy Lake

Importance: 0.35

11 species

0% vs. current

Rock Lake

Importance: 0.35

9 species

+22% vs. current

Headquarters Lake

Importance: 0.35

7 species

+57% vs. current

Upper Omer Lake

Importance: 0.35

5 species

+120% vs. current

Watson Lake

Importance: 0.35

5 species

+120% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 43 locations

Species Distribution

Very Common3 species

Common3 species

Occasional3 species

Rare2 species

Regional Context

Regional Ranking

#5 of 43 locations

88th percentile for diversity

vs. Kenai Peninsula

-89% species diversity

Most Common Species

Showing 20 most frequently observed species out of 11 total documented species.

Pungitius pungitius

ten-spined stickleback, nine-spined stickleback

Very Common3 obs.

Gasterosteus aculeatus

three-spined stickleback

Very Common2 obs.

Menyanthes trifoliata

Buck-Bean

Very Common2 obs.

Lithobates sylvaticus

Wood Frog

Very Common1 obs.

Alces alces

Eich

Very Common1 obs.

Haliaeetus leucocephalus

Bald Eagle

Common1 obs.

Gavia immer

great northern loon

Common1 obs.

No image

Schistocephalus solidus

Common1 obs.

Andromeda polifolia

bog-rosemary

Common1 obs.

Nuphar polysepala

Rocky Mountain pond-lily

Common1 obs.

Turdus migratorius

American Robin

Common1 obs.

Want the Complete Field Guide?

Get all 11 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.