what is a wetland? any place that is regularly flooded with fresh, brackish, or salty water
TRANSCRIPT
![Page 1: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/1.jpg)
What is a Wetland?What is a Wetland?
Any place that is regularly flooded Any place that is regularly flooded with fresh, brackish, or salty waterwith fresh, brackish, or salty water
![Page 2: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/2.jpg)
WaterWater
• Not always wetNot always wet
•Water levels changeWater levels change
• Permanent, seasonal, or temporaryPermanent, seasonal, or temporary
![Page 3: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/3.jpg)
Completely dryCompletely dry
25ft
Ephemeral pondEphemeral pond
![Page 4: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/4.jpg)
Flooded seasonallyFlooded seasonally
![Page 5: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/5.jpg)
Flooded by heavy rains or tidesFlooded by heavy rains or tides
![Page 6: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/6.jpg)
Shallow waterShallow water
• Maximum depth (2 to 6 metres)Maximum depth (2 to 6 metres)
• Light penetratesLight penetrates
• Highly productiveHighly productive
• Often little or no water movementOften little or no water movement
• Ramsar definition includes rivers, lakes, and coral reefsRamsar definition includes rivers, lakes, and coral reefs
![Page 7: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/7.jpg)
Wetlands have hydric soils:Wetlands have hydric soils:
• Water fills the air spaceWater fills the air space
• Oxygen-poor (anaerobic or anoxic)Oxygen-poor (anaerobic or anoxic)
• Gray in colourGray in colour
• Unique aroma (“swamp gas”)Unique aroma (“swamp gas”)
• Soft and unstableSoft and unstable
![Page 8: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/8.jpg)
““Water-loving” plants (hydrophytes)Water-loving” plants (hydrophytes)
![Page 9: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/9.jpg)
AerenchymaAerenchyma
Cross section of the stem of an aquatic plantCross section of the stem of an aquatic plant
![Page 10: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/10.jpg)
![Page 11: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/11.jpg)
• FreshFresh
• BrackishBrackish
• SaltySalty
• ““Super-salty” (hypersaline)Super-salty” (hypersaline)
![Page 12: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/12.jpg)
HydrologyHydrology
![Page 13: What is a Wetland? Any place that is regularly flooded with fresh, brackish, or salty water](https://reader036.vdocuments.us/reader036/viewer/2022062515/56649d085503460f949d9baf/html5/thumbnails/13.jpg)
Wetlands have:Wetlands have:
1)1) Water for at least part of the yearWater for at least part of the year
2)2) Water-logged (hydric) soilsWater-logged (hydric) soils
3)3) Specially-adapted plants (hydrophytes)Specially-adapted plants (hydrophytes)