| Tundras and deserts, e.g. |
New York Times |
08 Oct 2025 |
| Savanna and tundra |
Universal |
06 May 2025 |
| Desert, tundra, etc. |
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| Savanna, taiga, etc. |
LA Times Daily |
01 Sep 2024 |
| Rain forests and grasslands, say |
|
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| Endlessly huge, some special ecological communities (6) |
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| Taigas and deserts |
USA Today |
16 Nov 2023 |
| Ecological communities |
LA Times Daily |
12 Feb 2023 |
| Ecological regions |
Newsday |
05 Jan 2020 |
| Large ecosystems |
Universal |
01 Dec 2017 |
| Forest and desert, e.g |
Premier Sunday |
09 Jul 2017 |
| Large ecosystems |
|
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| Wetlands and tundra, e.g |
New York Times |
03 May 2016 |
| Ecological communities |
Universal |
19 Nov 2015 |
| Ecological communities |
|
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| Ecological communities |
|
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| Ecological communities |
|
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| Ecologists' study |
|
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| Rain forests and grasslands, e.g. |
|
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| Ecological complexes |
|
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| Ecological complexes |
|
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| Ecological units |
|
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| Some complex communities |
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