5040437
| Question | Answer |
| Where is the Keyhaven Salt Marsh | Hampshire, located behind the Hurst Castle spit |
| What do the plants have to be in order to survive | Salt tolerant Resistant to high salinity |
| Define a pioneer plant | The first plants to colonize a previously disrupted ecosystem |
| Define vegetation succession and state the stages in vegetation succession | A sequence of vegetation species/ the evolution of plant communities colonising an environment Tide Inlet (Mudflat) - Low Marsh - High Marsh - Marsh Uplands |
| What was the pioneer plant at the Keyhaven Salt Marshes | Cordgrass |
| Describe the vegetation succession stages that is predicted at Keyhaven Marshes | Cordgrass (Low Marsh I Sea Lavenders andSea Asters I Oak and Shrubs |
| What are the impacts as you vegetation succession occurs | 1. Soil fertility improves 2. Reduced Salinity 3. Reduced seawater flooding |
| What birds would you expect to see at Keyhaven | - Oystercatchers, feeds and nests in salt marshes - Ringed Plovers, feeds intertidally and nests on the salt marsh |
| Which butterfly and spider would you expect to see? | - Common blue, a resident butterfly commonly found on higher marshes - Wold spider, clings for hours to submerged stems of cordgrass waiting for low tide and food |
| How much is the salt marsh retreating each year | It's retreating 6cm each year. |
| Why is the salt marsh under threat? | Rising sea levels has threatened a 'squeeze' on the salt marsh. Sea levels could breach the spit wall |
| How are humans affecting the marshland | 1. Parking 2. Pollution 3. Littering 4. Making noise 5. Trampling on plants/animals |
| What has been done to protect the environement | 1. Rock armour has been put in place to strengthen the spit to stop breaches 2. It's now an SSSI, site of special scientific Interest 3. Access is now limited and restricted |
Want to create your own Flashcards for free with GoConqr? Learn more.