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Information and monitoring systems on associated biodiversity

Dans le document récent rapport de la FAO (Page 164-170)

biodiversity for food and agriculture

4.3 Associated biodiversity

4.3.2 Information and monitoring systems on associated biodiversity

Countries were invited to report on national information systems on associated biodiversity.

Fifty-seven country reports indicate the presence of at least one such information system (247 are reported in total). An additional four reports22 spe-cifically indicate the absence of any such systems.

Over 40 percent of the systems reported are in European countries. Several examples of informa-tion and monitoring systems are described in the

“state of knowledge” subsections of Sections 4.3.4 to 4.3.10 and in Boxes 4.6 and 8.8.

22 Those from the Gambia, Slovakia, Sri Lanka and Suriname.

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TABLE 4.1

Examples of species and genera reported by countries to be managed for regulating or supporting ecosystem services in production systems

Ecosystem service (number

of distinct species reported) Species or genus Common name Countries

Pest and disease regulation (144)

Acorus calamus Flagroot Nepal

Aphelinus mali Woolly aphid parasite Nepal, Peru, Syrian Arab Republic, Yemen

Azadirachta indica Neem tree Jordan, Nepal, Niger

Bacillus thuringiensis Bt Ecuador, India, Peru

Cecidochares connexa Gall fly Palau, Papua New Guinea

Ctenopharyngodon idella Grass carp Fiji, Syrian Arab Republic Cryptolaemus montrouzieri Mealybug destroyer India, Jamaica, Syrian Arab Republic

Habrobracon hebetor Niger, Syrian Arab Republic

Neochetina bruchi, N. eichhorniae

Chevroned water hyacinth weevil, mottled water hyacinth

weevil Papua New Guinea, Sri Lanka, Sudan

Trichoderma harzianum Bangladesh, India, Nepal

Typhlodromus pyri Croatia, France, Syrian Arab Republic

Habitat provisioning (125)

Brassica oleracea Wild cabbage Ireland, United Kingdom

Khaya senegalensis African mahogany Chad, Togo

Mangifera sylvatica Nepal mango Bangladesh

Platycladus orientalis Chinese arborvitae China

Tamarindus indica Tamarind Chad, Ecuador, Yemen

Soil formation and protection (111)

Chrysopogon zizanioides Khuskhus vetiver Jamaica, Zimbabwe Leucaena leucocephala White leadtree Brazil, Mexico

Panicum turgidum Merkba Yemen

Pinus sylvestris Scots pine Ireland, Slovenia

Prosopis juliflora Ironwood Brazil, Yemen

Rhizobium leguminosarum Bangladesh

Secale cereale Rye Ireland, United Kingdom

Swietenia humilis,

S. macrophylla Mexican mahogany Mexico

Nutrient cycling (76)

Bradyrhizobium elkanii,

B. japonicum Brazil

Eisenia fetida Tiger worm Bulgaria, Jamaica

Faidherbia albida Winter thorn Burkina Faso

Hordeum vulgare Barley Sweden, United Kingdom

Lens culinaris Common lentil Jordan, Yemen

Leucaena leucocephala White leadtree Brazil, Zimbabwe

Lumbricus rubellus Red earthworm Bulgaria

Rhizobium leguminosarum Brazil, Nepal

Secale cereale Rye Sweden, United Kingdom

Vicia sativa Common vetch Jordan, Yemen

(Cont.)

Ecosystem service (number

of distinct species reported) Species or genus Common name Countries

Pollination (49)

Apis mellifera Western honey bee

Bangladesh, Belgium, Bhutan, Burkina Faso, Cameroon, Ecuador, Eswatini, Gambia, Germany, Hungary, Jamaica, Lebanon, Nepal, Netherlands, Niue, Norway, Panama, Peru, Poland, Spain, Sweden,

Switzerland, Yemen, Zambia, Zimbabwe

Apis cerana Eastern honey bee Bhutan, Sri Lanka

Bombus terrestris Buff-tailed bumble bee Belgium, Germany, Hungary, Netherlands, Norway, Sweden

Other Bombus spp. (B.

canariensis, ignites, morio) Belgium, Brazil

Eidolon helvum Straw-coloured fruit bat Burkina Faso

Heterotrigona itama Malaysia

Osmia spp. (O. bicornis,

O. lignaria) Mason bees (red mason bee,

blue orchard bee) Germany, United States of America

Malus sylvestris Crab apple Slovenia

Production of oxygen/gas regulation (30)

Alnus acuminata Alder Ecuador

Khaya senegalensis African mahogany Niger, Togo

Robinia pseudoacacia Black locust China

Tectona grandis Teak Nepal, Togo

Coffea arabica Arabica coffee Panama

Water purification and waste treatment (25)

Phragmites australis Common reed Jordan, Lebanon, United Kingdom, Yemen

Avicennia germinans Black mangrove Mexico

Sorghum halepensis Johnson grass Jordan, Yemen

Panicum virgatum Old switch panic grass United States of America

Eisenia fetida Tiger worm Nepal

Natural hazard regulation (27)

Alnus glutinosa European alder Slovenia

Avicennia spp. (A. alba,

A. marina) Black mangrove (api-api, white

mangrove) Bangladesh, Yemen

Bauhinia rufescens Niger

Cenchrus purpureus Napier grass Bhutan

Chrysopogon zizanioides Khuskhus vetiver Jamaica Cupressus sempervirens Mediterranean cypress Jordan

Picea abies Norway spruce Switzerland

Water cycling (25)

Atriplex halimus Mediterranean saltbush Jordan, Yemen

Andropogon gayanus Bluestem grass Niger

Leucaena leucocephala White leadtree Brazil

Oncorhynchus mykiss Rainbow trout Finland

Note: Analysis based on 91 country reports.

Source: Country reports prepared for The State of the World’s Biodiversity for Food and Agriculture.

TABLE 4.1 (Cont.)

Examples of species and genera reported by countries to be managed for regulating or supporting ecosystem services in production systems

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TABLE 4.2

Species and genera most frequently reported to be managed for multiple supporting and regulating ecosystem services

Habitat provisioning Natural-hazard regulation Nutrient cycling Pest and disease regulation Pollination Production of oxygen/gas regulation Soil formation and protection Water cycling Water purification and waste treatment

Total number of ecosystem services for which the species is managed Species or

genus Common

name Number of countries Countries

Acacia spp. Acacias 3 1 2 2 2 3 2 1 16

Angola, Burkina Faso, Chad, China, Jordan, Mexico, Nepal, Niger, Saudi Arabia, Sudan, Yemen, Zimbabwe

Pinus spp. Pines 3 2 1 1 1 4 12 China, Ireland, Mexico,

Peru, Slovakia, Slovenia

Brassica spp. Brassicas 1 1 1 1 3 1 8 Bulgaria, Ireland, Jordan,

United Kingdom, Slovakia

Trifolium spp. Clover 1 4 1 1 1 8 Bulgaria, Ireland, Jordan,

Norway, Slovakia, Sweden Eucalyptus

spp. Eucalyptus 1 1 1 1 2 1 7 Cameroon, Ecuador, Peru,

Senegal, Sudan Crotalaria

spectabilis Showy

rattlebox 1 1 1 1 1 1 6 Brazil

Medicago

spp. Medick 1 3 1 1 6 Bulgaria, Jordan, Yemen

Populus spp. Aspen 2 1 3 6 Finland, Ireland, Jordan,

Slovenia, Yemen Bauhinia

rufescens 1 1 1 1 1 5 Niger

Canavalia

ensiforms Jack bean 1 1 1 1 1 5 Brazil

Cajanus cajan Pigeon pea 1 1 1 1 1 5 Brazil

Leucaena leucocephala White

leadtree 1 2 1 2 1 5 Brazil, Mexico, Zimbabwe

Tithonia diversifolia Tree

marigold 1 1 1 1 1 5 Brazil

Hordeum

vulgare Barley 1 2 1 1 4 Jordan, Sweden, United

Kingdom Tamarindus

indica Tamarind 3 1 1 3 Chad, Ecuador, Yemen

Khaya senegalensis

African

mahogany 2 1 2 3 Chad, Niger, Togo

Note: Analysis based on 91 country reports.

Source: Country reports prepared for The State of the World’s Biodiversity for Food and Agriculture.

In most countries, the reported information systems were developed in the context of envi-ronmental monitoring programmes and not because the monitored species are considered of importance to food and agriculture. For example, most countries have established “red lists” that summarize the status and trends of native flora and fauna species and the threats affecting them.

These lists are usually based on a methodology similar to that used for The IUCN Red List (Box 4.1) and are reviewed at regular intervals.23 In addition

23 The IUCN Red List allows species to be grouped according to the types of ecosystems in which they occur, including agricultural, forest and marine ecosystems. However, it does not allow this to be done for particular roles, or assumed roles, in the supply of regulating or supporting ecosystem services (pollination, pest control, etc.) within these ecosystems.

to databases of species risk status, the systems reported include a variety of sources of informa-tion on associated biodiversity, including newslet-ters, national reports on the state of biodiversity produced by relevant ministries (e.g. forestry or environment), radio and television programmes, Internet resources, institutes, universities, labora-tories, museums and encyclopaedias. More infor-mation can be found in the regional synthesis reports prepared as part of the reporting process for The State of the World’s Biodiversity for Food and Agriculture.24

The reported information systems are used to monitor a range of different components of

24 The regional synthesis reports will be made available at http://www.fao.org/cgrfa/en/

FIGURE 4.1

Regulating and supporting ecosystem services for which associated biodiversity is reported to be managed, by sector of production

Pollination Pest and disease regulation Water purification and waste treatment Natural-hazard regulation Nutrient cycling Soil formation and protection Water cycling Habitat provisioning Production of oxygen/gas regulation Other

0 100 200

Number of responses

300 400 500 600

Livestock sector Forest sector

Aquatic sector Crop sector Mixed systems Other/not specified

Crops Forestry Livestock Aquaculture Fisheries Mixed systems Agriculture (unspecified) Not specified

Notes: A “response” is an indication by a country that a particular species or other taxonomic group is managed within a particular production system to promote the supply of a particular ecosystem service. Several of the 462 distinct species that featured in the responses were mentioned by more than one country and/or for more than one production system. The total number of responses is 1 228. For presentation purposes, production systems are grouped by sector of production. Analysis based on 91 country reports.

Source: Country reports prepared for The State of the World’s Biodiversity for Food and Agriculture.

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THE STATE OF THE WORLD'S BIODIVERSIT Y FOR FOOD AND AGRICuLTuRE 0

2000 2003 2006 2009 2012 2015 2018 10 000

20 000 30 000 40 000 50 000 60 000 70 000 80 000 90 000 100 000

Species

Year

Increase in the number of species assessed for The IUCN Red List (2000–2018)

Total threatened species Total species assessed

Box 4.1

The International Union for Conservation of Nature Red List of Threatened SpeciesTM The International Union for Conservation of Nature Red

List of Threatened SpeciesTM (The IUCN Red List) is the world’s most comprehensive source of information on species extinction risks, and contains a wealth of information on factors affecting species survival, including on distribution ranges, population trends, ecology, conservation actions, threats and trade and use. As of November 2018, more than 96 500 species were included, over 26 500 of which were threatened with extinction, including 40 percent of amphibians, 34 percent of conifers, 33 percent of reef-building corals, 25 percent of mammals and 14 percent of birds.

Source: The IUCN Red List version 2018-2.

Note: For further information, see https://www.iucnredlist.org

Box 4.2

Birds as indicator species

Avian species can act as valuable indicators of environmental change and complex shifts in ecosystem dynamics that may be detrimental to food and agriculture.

For example, seabirds are excellent indicators of climate change thanks to their behavioural, social and life-history traits and the vast amount of long-term data available on them (Grémillet and Boulinier, 2009). Seabirds generally have highly specialized diets and rely on just a few prey species, whose abundance and distribution can shift dramatically in response to abrupt environmental changes (BirdLife International, 2009). Rising sea-surface temperatures in Antarctica have led to a reduction in the abundance of Antarctic krill (Euphausia superba), a key prey species for many seabirds, and an increase in the abundance of less favourable food. This has affected several seabird populations, including emperor penguins (Aptenodytes forsteri) in Terre Adélie, whose population declined by 50 percent during a period of abnormally warm temperatures and poor krill production (Barbraud and

Weimerskirch, 2001). When pieced together, such trends and warning signs demonstrate where, and how much, climate change is affecting the ecosystems that industries such as fishing depend upon.

Seabird numbers can also be a direct indication of fish-stock depletion. A study on sardine fisheries in the Gulf of California demonstrated (taking El Niño influences into account) that a declining proportion of sardines in the diets of three seabird species (the California brown pelican [Pelecanus occidentalis], Heermann’s gull [Larus heermanni]

and the elegant tern [Thalasseus elegans]) gave a reliable forecast of diminishing catch per unit effort in fisheries landings in subsequent years. This allowed successful mitigation or reduced-catch measures to be implemented, helping to stabilize fisheries income (Velarde, Ezcurra and Anderson, 2013).

Source: Provided by the Royal Society for the Protection of Birds (RSPB) and BirdLife International.

associated biodiversity, including particular ecosys-tem categories (e.g. forests, grasslands or aquatic ecosystems), protected areas, individual species, species in general (e.g. via the above-mentioned red lists), rare or endangered species, specific tax-onomic groups (e.g. amphibians and reptiles, bats, bees, birds, butterflies, freshwater and marine fish, fungi, lichens or mosses) or other catego-ries such as crop pests and their natural enemies.

Several European countries mention monitoring efforts for micro-organisms (including bacteria, viruses and protists) and fungi, including groups that are of importance to food and agriculture, such as mycorrhizal fungi, soil microbes, plank-tonic microbes and rumen microbes. Despite these various initiatives, however, countries generally make it very clear that there are many gaps and weaknesses in monitoring programmes and infor-mation systems for associated biodiversity. Even where demographic data on components of asso-ciated biodiversity are collected, it often remains unclear how these relate to the geographical dis-tribution of production systems, which makes it more difficult to draw conclusions regarding pos-sible effects on food and agriculture.

Lack of capacity is widely reported by countries to be a significant constraint to the monitoring of associated biodiversity. Some countries indicate that much of the monitoring work that does take place is done by (expert or non-expert) volun-teers. For example, Finland reports that initiatives of this kind account for approximately 70 percent of all its biodiversity-related monitoring work.

Monitoring of butterflies and birds is largely volunteer-based in most countries in Europe.

Efforts are also being made to develop method-ologies based on indicator species that can be used even where capacity is limited. For example, the Belau National Museum, in cooperation with the Palau Conservation Society and the Palau International Coral Reef Centre, is reported to have completed preliminary studies aimed at iden-tifying bird species that could be used as indicators for near-shore environmental quality and ecosys-tem health. See Box 4.2 for further information on birds as indicator species.

Dans le document récent rapport de la FAO (Page 164-170)