Month: January 2008

What shade coffee looks like

One trip to one part of one county’s coffee growing region is limited information to work with. Nonetheless, my recent visit to the western highlands of Panama was an eye-opener, replacing a mental image based on a great deal of reading and examining photographs with the reality on the ground.  I’d like to share some of what I learned.

First, a little overview of the entire landscape. The highest point in Panama is in the western highlands: Volcan Baru, at nearly 3500 m (almost 12000 ft). The town of Volcan is on one flank of the volcano, Boquete is on the other. These are Panama’s major coffee-growing areas, some of the most important in the world. Coffee is not the exclusive crop, however. Many cool season crops are grown here. We were on the Volcan side, where cabbage, lettuce, and onions were common, as well as dairy farms. Small farms and plots were everywhere, creeping up the flanks of the mountains. Most were not large, and from what we could gather by observing harvesting and taking crops to central depots, tended by one to several families. We have urban sprawl. They have a sort of agricultural sprawl.

Definitions of shade-grown coffee describe various systems that go from very rustic (coffee in a forest) to sun coffee (plots of coffee with no shade trees). I talk about this continuum in my introductory post “What is shade-grown coffee” and provide a graphic in a later post on shade certification criteria. Coming from an industrialized country with industrialized agriculture, where even small garden plots nearly always follow an orderly, genteel, Euro-centric plan, I really didn’t consider how “messy” agrosystems are in Latin America. We spent a lot of time on one coffee finca, lesser amounts in two others, and passed through a number of others. The various levels of shade management are present, but they can be difficult to categorize as they are often interspersed with each other and other types of land use (crops, livestock, homesteads).

We spent two half-days at Finca Hartmann, a very eco-friendly farm near Santa Clara. It is in two sections: the lower Palo Verde section (1200-1300m), and the higher-altitude Ojo de Agua section (1500+ m), which is directly adjacent to the La Amistad International Park. The property (aside from housing and other human infastructure) is a mix of remnant and regenerating forest, pasture, and coffee.  Coffee occurs in plots ranging from 1 to 15 ha, and itself grows intermixed with native vegetation and/or crops such as citrus and bananas. This photo shows some fairly young coffee (probably 2-5 years old; the Hartmann’s are in the process of replanting much of the farm which was established in the 1950s) at Palo Verde, shaded by citrus, castor, and native trees. We had a large mixed flock of birds here, including forest birds such as White-ruffed Manakin and Bay-headed Tanager.

In another area in Palo Verde, older coffee trees are growing amid a mid-story of bananas, and an open canopy of tall native trees, encrusted with many ephiphytes — which are very important to biodiversity in tropical agrosystems.

The Hartmann’s have preserved a lot of forest on their land. Below, my husband consults a field guide in a beautiful forested patch along a stream. There is extensive old forest at Ojo de Agua which many researchers have used to study forest and shade coffee ecosystems.

Nearly 300 species of birds have been recorded at Finca Hartmann, as well as 62 mammal species and hundreds of other organisms. Patriarch Ratibor Hartmann is a devoted naturalist, and visitors can examine some  carefully-curated collections he has made on the farm. We photographed many insects ourselves. One was a damselfly that had only been described about 30 years ago, and had never been photographed, according to an expert back here in the states.

Other insects were just stunning, such as this metalmark, Mesosemia asa. Although we really only explored for 6 or 7 hours over the two days, were working without a guide, and spent equal amounts of time looking at insects, we observed nearly 80 species of birds at Finca Hartmann.

Other farms in the region were in contrast with Finca Hartmann. The photo below is from Finca Florentina near Paso Ancho, a large plantation that has been a source of beans for Starbucks. This farm also had patches of forest, but coffee typically grew in larger plots than at Finca Hartmann.

Still at Finca Florentina, an even larger plot of coffee, with sparser large trees. This area had a lot of non-native eucalyptus trees. We wandered through these areas for several hours, and saw far fewer species of birds and insects. Many were more common species typical of open areas, such as various species of grassquits, or the ubiquitous Rufous-collared Sparrow.

And along a road near Santa Clara, were big areas of sun coffee. These farms are likely owned by or sell their beans to the large Cafe Duran, which is a common brand in Panama. Their mill was nearby.

None of the coffee growing areas we saw came close to matching the structural complexity of native forest, a characteristic that is highly important to biodiversity. Nonetheless, it was clear that birds and other fauna used coffee growing areas that were integrated with or close to native vegetation.

This gave me a great deal of insight into the issue of shade certification, and I will talk about that in my next post (Why certifying shade coffee is so complex).

Research: Butterflies in Indian coffee farms

Adult butterfly communities in coffee plantations around a protected area in the Western Ghats, India. J. Dolia, M. S. Devy, N. A. Aravind, and A. Kumar. 2008. Animal Conservation 11:26-34.

Butterfly diversity was examined in 12 coffee plantations in India’s Western Ghats, a region of high biodiversity. Distance from a protected area, the Bhadra Wildlife Sanctuary, was the most influencial variable for the abundance and richness of butterfly fauna. The closer the coffee farms to the sanctuary, the higher the species richness and abundance. The composition of butterfly species on coffee farms also became less similar to that of native forest as distance from the sanctuary increased.

The proportion of Australian Grevillea robusta, often called silver oak, a fast-growing, sparse shade timber species now being planted in place of native species on Indian coffee farms, did not seem to effect butterfly abundance or diversity (more on silver oak on coffee farms here). However, the authors stated that three or four species of shade trees dominated at the coffee farms, and none seemed attractive to butterflies.  Coffee has traditionally been grown under native, rustic shade, but there has been an increasing use of fewer, often exotic, species and less shade in recent years.

There were some limitations to this study. It took place during the dry season, when there were not many trees and plants in flower in the sanctuary, but some (mostly non-native species) in the coffee farms. Nectar-feeding butterflies of larger species, which are strong fliers, may have therefore been disproportionally represented at farms farther from the sanctuary. The authors also noted a lack of information on host plants for butterfly larvae, but that many feed on understory shrubs and plants, which tend to be absent from coffee farms. Pesticide use also has a detrimental effect on butterflies. Although coffee farms may serve as corridors or provide roosting or basking sites, they may not have adequate resources for reproducing butterflies.

Photo of Blue Tiger (Tirumala limniace), a common south India species, by Challiyan.

J. Dolia, M. S. Devy, N. A. Aravind, A. Kumar. (2008). Adult butterfly communities in coffee plantations around a protected area in the Western Ghats, India Animal Conservation, 11 (1), 26-34 DOI: 10.1111/j.1469-1795.2007.00143.x

Greetings from the Panama highlands

My husband and I are in the highlands of Panama, in Chiriqui province (in yellow on the first map) near the Costa Rican border. We are staying near the city of Volcan, on the western flank of Volcan Baru at about 1500 meters (5000 feet) . Chiriqui is the main coffee growing area in Panama. Boquete is on the other side of the volcano, but there are plenty of farms all around us, including Finca Hartmann and Carmen Estate, whose coffees we’ve both reviewed.

We have coffee shrubs growing on our rented property, and as it is harvest season here, the cherries are ripe. I tasted the pulp, and it’s very sweet, but sparse. I can now see how tenacious the mucilaginous coating on the beans is, and it really helps me understand the why and how of wet processing coffee. I’ll try to take a little video of I can. We plan on visiting at least one coffee farm, and I will also post photos of the area as I have the opportunity.

Coffee review: Counter Culture Finca Mauritania Microlots

Plainspoken Coffee. A Coffee Review for Ordinary People by Ordinary People, #32

In our background post on El Salvador, one of the coffees we reviewed was Counter Culture’s Finca Mauritania, from the slopes of the Ilamantepec (Santa Ana) volcano. The Santa Ana region (shaded on map) is a premier coffee-growing area in El Salvador. The Apaneca-Ilamatepec Mountain Range where Finca Mauritania is located is in close proximity to one of the country’s most important parks, El Imposible.

Counter Culture still offers the straight Bourbon varietal from Finca Mauritania. They’ve also had a limited offering of Aida’s Grand Reserve, a peaberry selection from all three of owner Aida Batlle’s neighboring farms: Finca Mauritania, Finca Kilimanjaro, and Finca Los Alpes. For this review, we chose another special set of microlots, Counter Culture Coffee’s Finca Mauritania Microlot Gift Pack. This unique set consists of three microlots, all from Finca Mauritania, but each set of beans underwent a different type of processing.

Nearly all coffee from Central America is “washed” or wet processed. After the coffee cherries are picked and sorted, the cherries are sent through a depulping mechanism that removes the skin and flesh. Some amount of sticky mucilage or flesh may remain, and so the beans are soaked in water for one or two days to break down this matter, which is washed away by more fresh water. Beans are then dried, often in the sun on large patios.

Pulped natural is a process by which the cherries are only skinned or partially depulped before they are dried. The climate in Central America, especially the humidity, is such that this drying process must tended to vigilantly, with a lot of raking and turning, not only so the gooey beans don’t stick together, but also to prevent molds or fungi from developing. Nearly non-existent five years ago, this process is becoming more popular in El Salvador because the country grows so much Bourbon variety coffee, according to Counter Culture buyer Peter Giuliano. The pulp natural process and Bourbon beans are great for espresso blends. In Latin America, Brazil dominates the espresso-component market, where the drier climate is more appropriate for pulp natural processing. Conquering this technique opens up new frontiers for El Salvador.

If done with finesse, the enzymes in the pulp transfer flavors to the beans — the intensity will vary depending on the amount of pulp left on, drying time, and other factors. This method lowers acidity and increases body, and introduces an often fruity sweetness.

We indeed found this to be a medium-bodied coffee with a syrupy mouthfeel. Nearly all tasters found some curiously unique flavors in a French press preparation: pepper, salt, garlic (which was not as bad as it sounds), basil, spice, a complicated enzymatic astringency (this from a student who had just taken his chemistry final). As a drip coffee, it struck a couple of us as vaguely Sumatran, with muted woodsy and leather tones. One taster adequately summed up what we all experienced, “There’s a lot going on on my tongue right now.”

I was reminded of the pulped naturals we’d tried from Brazil’s Daterra Estate, although this selection was clearly more complex. I think it had the characteristics that would in fact make it terrific in an espresso blend. It was interesting and valuable to taste beside the other lots, but we were sort of confused by it and agreed that on its own, it was the least compelling of the three to drink straight. It garnered 3 motmots.

The more typical wet processed selection in this gift pack was the peaberry microlot. Peaberries are those coffee cherries which only develop a single, round seed rather than the pair of flat-sided seeds usually produced. About 5 to 10% of coffee cherries produce peaberries. These small, round beans roast more evenly than typical flat beans, but also more quickly because of their size so they must be roasted with care.

Although there isn’t any scientific proof that I know of that each peaberry gets “twice the flavor,” they are commonly thought of as being more intensely sweet and acid. Nor can I say that this peaberry microlot was twice as sweet as the rest of the FM crop, but we all agreed — bright, clean, sweet, deep, and lovely! Various tasters got some malt, baker’s chocolate, nuts, cherry, and honey. I picked up a bit of a floral aroma and tasted sweet apple in the cooling cup (I’m always pretty pleased with myself when I can pick up some sort of unique flavor, and nearly pulled a muscle patting myself on the back when I read later that some of Counter Culture’s cuppers also tasted apple). The finish was super smooth and syrupy when prepared in a French press.

This is a superior example of an exceptional classic Central American coffee. I could drink this every day and not get tired of it, and when I think of great coffee, this is the profile that I hold standard. When we cast our votes on this one, something happened that hasn’t occurred in a long time: it got 4 motmots across the board.

“Pasa” means “raisin” in Spanish, which is what coffee cherries look like when completely dried with their flesh intact. Dry process coffees are dried without removing any of the coffee cherry; the beans are removed, or hulled, after drying. The drying may take up to a month, and as with pulped naturals must be done very carefully — especially in humid climates — to prevent any molds, fungi, or bacteria from tainting the cherries. This process, common in more arid African nations, creates bold flavors, often berry-centric fruitness with heavy body.

Dry process is essentially unheard of in Central America, but it captured the imagination of Aida Batlle. I’ll let Peter Giuliano relay the story:

“Aida has completely innovated the Pasa process, based on things she has heard (but never seen firsthand) about Ethiopian and Brazilian natural processes. Aida has a strong experimental streak, and jumped into the process with her trademark enthusiasm and quality focus. Aida is always innovating, and she decided to experiment with tree-dried coffees. Just leaving them on the tree to dry was a challenge, she had to post a security guard so that people would not sneak onto the farm and pick the coffee while it dried on the tree!  Milling was another challenge — since nobody does dried-in-the-fruit coffee in El Salvador there was no equipment to do the milling, so they had to improvise with a small mill intended to husk samples in a cupping lab. As a result, it was incredibly labor intensive to produce this coffee.”

We were blown away when we opened the bag of Pasa — it was boldly fruity, mostly the familar blueberry aroma of an Ethiopian coffee. There was also a bit of a woodsy/earthy smell. The blueberry translated into the cup, although perhaps not as forcefully as an African. I’d recently tried Counter Culture’s Ethiopian Biloya and the Pasa was its more restrained and modest sister. Other than the berries, tasters commented on hints of apricot, the balance, smoothness, creamy mouthfeel, and overall sweet richness. We would have certainly thought this was a dry-process Ethiopian, but I believe we also would have wondered about the quiet differences. 3.5 motmots.

Post-script: I don’t know what Aida’s future plans are for the Pasa, but I think this a perfect substitute for an Ethiopian coffee. It has the added advantage of having less distance to travel — less fuel for shipping. Whereas Ethiopian coffees come from many small shareholders, we know exactly where the Finca Mauritania comes from, and that it is grown in a shade polyculture that benefits biodiversity. Aida is also in the process of converting all of her farms to certified organic. I know if I had the choice between a dry process African and this coffee, I’d pick the Pasa. Same great flavor, more sustainable.

Tasting these three selections, from the same farm with different preparations, was fun and enlightening…and tasty, of course. Bravo to Counter Culture for putting this package together, at a bargain price.

Research: Tree species diversity in Veracruz coffee farms

Tree species diversity and vegetation structure in shade coffee farms in Veracruz, Mexico. A. M. LÁ³pez-GÁ³meza, G. Williams-Linera, and R. H. Manson. 2008. Agriculture, Ecosystems and Environment 124:160-172. 10.1016/j.agee.2007.09.008

Fifteen shade coffee farms, under different types of shade management, and two forest reserves in the Coatepec-Huatusco region of Veracruz were compared. Some of the results were as expected, e.g., there were fewer tree species in shade monocultures and the most tree species in diverse polycultures; some of these diverse polyculture farms actually had more species than the two forest reserves sampled.

One of the most interesting revealations in this paper was that the proportion of native tree species was similar across all farms, regardless of management type, at around 79%. Many of these species (71%) were rare, found on only one or two farms. This highlights the importance of coffee farms for preserving native species diversity in this important coffee-growing area, which is becoming highly fragmented and losing forest rapidly. One of the authors found in a previous study that 27 native tree species were no longer found in regional forests, but still existed on shaded coffee farms.

The authors noted that high tree species richness and functional diversity is linked to the fates of many other plant and animal taxa, and that further multi-taxa studies are needed to better evaluate the role of coffee farms in biodiversity preservation. They also suggested that it is imperative for shade coffee agrosystems be explicitly included in regional conservation strategies.

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