Camels crossing the desert near Africa's highest sand dunes at Temet, Air and Tenere Natural Reserves world heritage site, NigerElephants crossing the Zambezi river in Mana Pools National Park world heritage site, ZimbabweIce cliffs near the summit of Mount Kilimanjaro National Park world heritage site, TanzaniaBlack and white ruffed lemur, Rainforests of the Atsinanana world heritage site, Madagascar

Cape Floral Region - South Africa

Map showing the location of the serial components of the Cape Floral Region Protected Areas world heritage site (South Africa) following its extension in 2015Website category:  Strange Worlds

Area: 10,947 km2 (serial site)

Inscribed: 2004 (extended 2015)

 

Criteria: (ix) ecological processes (x) biodiversity

 

 

Values:The Cape Floral Region has been called the world's hottest hot-spot for plant diversity and endemism. Its flora is so diverse and unique that it warrants classification as one the world's six principal floristic regions. In less than 0.38% of the area of Africa it has nearly 20% of the continent's flora and five of its twelve endemic families. Although the entire floral region is only 90,000 km2 in extent, it is home to 8,996 plant species and 988 genera, with 32% of its species found nowhere else in the world. Following its extension in 2015 the world heritage site comprises a complex ‘archipelago' of 157 component parts (land parcels) in 13 'clusters' encompassing as much as possible of this floristic diversity and the range of ecological conditions, soil types, rainfall regimes, and elevation found in the region.  It stretches from the Cederberg to the Cape of Good Hope and includes the Boland Mountains, De Hoop Nature Reserve, the Swartberg mountains and eastwards to Baviaanskloof.

A comprehensive review of the world heritage values of the site is provided below, together with details of the area's conservation status and the threats it faces.

Slideshow of the Cape Floral Region Protected Areas/world heritage site.  

 

REVIEW OF WORLD HERITAGE VALUES: According to IUCN’s Conservation Outlook Assessment (2014), the specific attributes which qualify the Cape Floral Region Protected Areas for world heritage status can be summarised as follows:

Proteas are the tallest, shrub-like members of the fynbos community and one of the main families of plants that have diversified into numerous different species, endemic to the Cape Floral RegionOutstanding diversity and endemism of flora.  TheCape Floral Region is one of the richest areas for plants in the world, identified as one of the world’s 18 ‘biodiversity hot spots’. It represents less than 0.4% of the area of Africa but is home to nearly 20% of the continent’s flora. Of the known 8,996 plant species in the region some 69% are endemic, with 1,435 species identified as threatened.

Restioids are grass-like plants which are important components of fynbos communities in the Cape Floral RegionOngoing ecological and biological processes. The world heritage site is recognised for the importance of the ecological and biological processes associated with the evolution of the unique Fynbos biome (the technical term used to describe the distinctive heath vegetation that characterises the Cape Floral Region). The biome is a centre of active speciation in which plants have experienced exceptionally high rates of adaptive radiation, producing many unique (endemic) varieties and species.Of particular scientific interest are the reproductive strategies of the plants, including their adaptive responses to fire and patterns of seed dispersal by insects. Their pollination biology and nutrient cycling are other distinctive ecological processes that characterise the Fynbos biome.

CONSERVATION STATUS AND PROSPECTS:  Although the fynbos vegetation that characterises the Cape Floral Region is highly threatened outside protected areas, the conservation status of the world heritage site is good, particularly given accelerated management efforts to control invasive alien plants and wild fires. Invasive alien plants are being controlled through use of biological control agents as well as mechanical removal methods, and these complementary approaches are proving effective. The possible future impacts of climate change are unknown, but the site should be quite resilient to change on account of its wide geographical spread and the altitudinal range of the areas protected.

MANAGEMENT EFFECTIVENESS:  The protected area components of this serial world heritage site are individually rather small and vulnerable to disturbance and influences originating beyond their boundaries.  This makes management particularly challenging, especially when it comes to control of invasive alien plants (which infest the wider landscape) and fire (which often spreads into a protected area from beyond its boundaries).  The management authorities are relatively well resourced (compared with others in Africa) and management programmes quite effectively implemented, although much more could be done to control invasive vegetation if budgets were increased.  Importantly, the boundaries of the reserves are well respected and there are rarely problems of encroachment or illegal grazing of livestock.

REVIEW OF CONSERVATION ISSUES AND THREATS: The following issues represent specific threats to the ecology, conservation and values of the Cape Floral Region Protected Areas world heritage site.

Pines, wattle and other tree species introduced to the Cape Floral Region have in many cases self-propagated and spread into protected areas where they threaten the natural fynbos habitatsInvasive Alien Species.  Alien plants pose the most severe threat to the continued existence of Fynbos ecosystems. Alien species have invaded large areas of the site (particularly its coastal habitats), displacing the native species.  Species that depend on seed dispersal by ants and termites are especially threatened, as the alien Argentine ant seems to be displacing the native seed-dispersing species.

 

Fynbos is adapted to periodic burning but regeneration is threatened when fires burn too hot or too frequently 

Fire. Although fynbos is adapted to fire, burningtoo frequently prevents plants from reaching seedling age, threatening regeneration. The risk of fire increases dramatically with the occurrence of invasive alien plants (many of which are large and easily burnt, resulting in hot fires). In addition, fires are increasingly started by people – accidentally or deliberately - and the incidence of wild-fires has greatly increased within the CapePeninsula (including TableMountainNational Park) due to the proximity of Cape Town.

Climate change.  The extent of any impact from a changing climate is unknown.  Warmer temperatures are likely to result in longer drier periods, increasing the threat of damaging fires. Furthermore, climate change may stimulate the growth of invasive woody plants, displacing the natural fynbos vegetation while increasing the risk of fire.  Some predictions point to a possible 3.7oC temperature rise and 10-30% decrease in winter rainfall, the combined effect of which could be a two-thirds reduction in the geographical extent of the fynbos biome accompanied by extinction of as many as half its unique characteristic species. The wide geographical spread and altitudinal range of the protected areas will mitigate this threat to some extent, but the long-term prospects for conservation of fynbos are far from certain.

Satellite image of Table Mountain showing the extent of nearby urban development, creating pressure for ever-increasing visitor access and facilitiesExpansion of urban areas and human impacts. The human population around the Cape Floral Region is growing rapidly, creating ever-increasing pressure on the area’s natural resources.  The intensification of land-use in areas bordering each protected area will result in unpredictable knock-on effects, whilst increasing numbers of visitors will create demands for new infrastructure, access and facilities within the protected areas.

 

Maps & Satellite images of the Cape Floral Region Protected Areas

 

 

MAPS & SATELLITE IMAGES:  A portfolio of maps and Google Earth satellite images is available for download by clicking here.  The maps show the extent of the Cape floral Region and the distribution of the 13 clusters of protected areas across the area. Maps are provided showing the boundary details within each complex following the 2015 extension.  The satellite images provide some informative perspectives on the area, showing the spectacular mountain landscapes and the diversity of habitats within the world heritage site.

 

 

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Links to other places in the Strange Worlds category:  Atsinanana Rainforests  l  Tsingy de Bemaraha  l  Aldabra Atoll  l  Vallee de Mai

External Links:  Google Earth |  Official UNESCO Site Details | OurPlace Photos |Management Authorities:  SA National Parks | Cape Nature | Birdlife IBA (goes to De Hoop Nature Reserve page)

Proteas are prominent members of the fynbos flora, protected within the Cape Floral Region Protected Areas world heritage site in South Africa Fynbos vegetation, with almost 9,000 species of plants including a high proportion of endemic species, varies in composition across the 8 parks and reserves which make up the Cape Floral Region Protected Areas world heritage site, South Africa The Cape Floral Region Protected Areas world heritage site covers a vaste array of scenery and fynbos habitats from the Cederberg to Table Mountain, the coastal flatlands of De Hoop Nature Reserve to the crumpled mountains of Baviaanskloof, South Africa Table Mountain National Park, with its cableway and dramatic views of Cape Town, is one of 8 places to be included in the Cape Floral Region Protected Areas world heritage site

 

 

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